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Finding the Fourth Proportional to 56,766.90, 85,160.70 and 19,325.19

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Solution

The fourth proportional to 56,766.90, 85,160.70 and 19,325.19 is: 28,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.90 : 85,160.70 = 19,325.19 : x
  2. Step 2: Convert to fraction form
    56,766.90/85,160.70 = 19,325.19/x
  3. Step 3: Cross multiply
    56,766.90x = 85,160.70 × 19,325.19
  4. Step 4: Simplify right side
    56,766.90x = 1,645,746,708.03
  5. Step 5: Solve for x
    x = 1,645,746,708.03/56,766.90
  6. Step 6: Final answer
    x = 28,991.31

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