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Finding the Fourth Proportional to 71,613.81, 107,318.87 and 52,745.47

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Solution

The fourth proportional to 71,613.81, 107,318.87 and 52,745.47 is: 79,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.81 : 107,318.87 = 52,745.47 : x
  2. Step 2: Convert to fraction form
    71,613.81/107,318.87 = 52,745.47/x
  3. Step 3: Cross multiply
    71,613.81x = 107,318.87 × 52,745.47
  4. Step 4: Simplify right side
    71,613.81x = 5,660,584,238.02
  5. Step 5: Solve for x
    x = 5,660,584,238.02/71,613.81
  6. Step 6: Final answer
    x = 79,043.19

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