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Finding the Fourth Proportional to 72,240.98, 99,708.11 and 43,955.78

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Solution

The fourth proportional to 72,240.98, 99,708.11 and 43,955.78 is: 60,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240.98 : 99,708.11 = 43,955.78 : x
  2. Step 2: Convert to fraction form
    72,240.98/99,708.11 = 43,955.78/x
  3. Step 3: Cross multiply
    72,240.98x = 99,708.11 × 43,955.78
  4. Step 4: Simplify right side
    72,240.98x = 4,382,747,029.06
  5. Step 5: Solve for x
    x = 4,382,747,029.06/72,240.98
  6. Step 6: Final answer
    x = 60,668.44

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