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Finding the Fourth Proportional to 57,140.16, 85,732.81 and 17,700.35

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Solution

The fourth proportional to 57,140.16, 85,732.81 and 17,700.35 is: 26,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.16 : 85,732.81 = 17,700.35 : x
  2. Step 2: Convert to fraction form
    57,140.16/85,732.81 = 17,700.35/x
  3. Step 3: Cross multiply
    57,140.16x = 85,732.81 × 17,700.35
  4. Step 4: Simplify right side
    57,140.16x = 1,517,500,654.98
  5. Step 5: Solve for x
    x = 1,517,500,654.98/57,140.16
  6. Step 6: Final answer
    x = 26,557.51

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