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Finding the Fourth Proportional to 542,972.80, 814,264.08 and 187,890.40

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Solution

The fourth proportional to 542,972.80, 814,264.08 and 187,890.40 is: 281,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,972.80 : 814,264.08 = 187,890.40 : x
  2. Step 2: Convert to fraction form
    542,972.80/814,264.08 = 187,890.40/x
  3. Step 3: Cross multiply
    542,972.80x = 814,264.08 × 187,890.40
  4. Step 4: Simplify right side
    542,972.80x = 152,992,403,696.83
  5. Step 5: Solve for x
    x = 152,992,403,696.83/542,972.80
  6. Step 6: Final answer
    x = 281,768.08

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