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Finding the Fourth Proportional to 98,865.92, 136,434.24 and 53,542.85

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Solution

The fourth proportional to 98,865.92, 136,434.24 and 53,542.85 is: 73,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.92 : 136,434.24 = 53,542.85 : x
  2. Step 2: Convert to fraction form
    98,865.92/136,434.24 = 53,542.85/x
  3. Step 3: Cross multiply
    98,865.92x = 136,434.24 × 53,542.85
  4. Step 4: Simplify right side
    98,865.92x = 7,305,078,047.18
  5. Step 5: Solve for x
    x = 7,305,078,047.18/98,865.92
  6. Step 6: Final answer
    x = 73,888.74

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