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Finding the Fourth Proportional to 57,545.14, 86,202.84 and 45,718.90

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Solution

The fourth proportional to 57,545.14, 86,202.84 and 45,718.90 is: 68,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,545.14 : 86,202.84 = 45,718.90 : x
  2. Step 2: Convert to fraction form
    57,545.14/86,202.84 = 45,718.90/x
  3. Step 3: Cross multiply
    57,545.14x = 86,202.84 × 45,718.90
  4. Step 4: Simplify right side
    57,545.14x = 3,941,099,021.68
  5. Step 5: Solve for x
    x = 3,941,099,021.68/57,545.14
  6. Step 6: Final answer
    x = 68,487.09

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