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Finding the Fourth Proportional to 67,040.92, 92,513.48 and 40,198.24

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Solution

The fourth proportional to 67,040.92, 92,513.48 and 40,198.24 is: 55,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.92 : 92,513.48 = 40,198.24 : x
  2. Step 2: Convert to fraction form
    67,040.92/92,513.48 = 40,198.24/x
  3. Step 3: Cross multiply
    67,040.92x = 92,513.48 × 40,198.24
  4. Step 4: Simplify right side
    67,040.92x = 3,718,879,072.28
  5. Step 5: Solve for x
    x = 3,718,879,072.28/67,040.92
  6. Step 6: Final answer
    x = 55,471.78

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