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Finding the Fourth Proportional to 66,574.80, 99,862.20 and 41,691.60

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Solution

The fourth proportional to 66,574.80, 99,862.20 and 41,691.60 is: 62,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.80 : 99,862.20 = 41,691.60 : x
  2. Step 2: Convert to fraction form
    66,574.80/99,862.20 = 41,691.60/x
  3. Step 3: Cross multiply
    66,574.80x = 99,862.20 × 41,691.60
  4. Step 4: Simplify right side
    66,574.80x = 4,163,414,897.52
  5. Step 5: Solve for x
    x = 4,163,414,897.52/66,574.80
  6. Step 6: Final answer
    x = 62,537.40

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