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Finding the Fourth Proportional to 89,658.92, 123,729.66 and 53,849.54

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Solution

The fourth proportional to 89,658.92, 123,729.66 and 53,849.54 is: 74,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,658.92 : 123,729.66 = 53,849.54 : x
  2. Step 2: Convert to fraction form
    89,658.92/123,729.66 = 53,849.54/x
  3. Step 3: Cross multiply
    89,658.92x = 123,729.66 × 53,849.54
  4. Step 4: Simplify right side
    89,658.92x = 6,662,785,275.36
  5. Step 5: Solve for x
    x = 6,662,785,275.36/89,658.92
  6. Step 6: Final answer
    x = 74,312.58

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