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Finding the Fourth Proportional to 74,954.30, 112,474.65 and 28,240.70

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Solution

The fourth proportional to 74,954.30, 112,474.65 and 28,240.70 is: 42,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.30 : 112,474.65 = 28,240.70 : x
  2. Step 2: Convert to fraction form
    74,954.30/112,474.65 = 28,240.70/x
  3. Step 3: Cross multiply
    74,954.30x = 112,474.65 × 28,240.70
  4. Step 4: Simplify right side
    74,954.30x = 3,176,362,848.26
  5. Step 5: Solve for x
    x = 3,176,362,848.26/74,954.30
  6. Step 6: Final answer
    x = 42,377.33

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