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Finding the Fourth Proportional to 74,470.32, 102,766.44 and 40,936.08

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Solution

The fourth proportional to 74,470.32, 102,766.44 and 40,936.08 is: 56,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470.32 : 102,766.44 = 40,936.08 : x
  2. Step 2: Convert to fraction form
    74,470.32/102,766.44 = 40,936.08/x
  3. Step 3: Cross multiply
    74,470.32x = 102,766.44 × 40,936.08
  4. Step 4: Simplify right side
    74,470.32x = 4,206,855,209.16
  5. Step 5: Solve for x
    x = 4,206,855,209.16/74,470.32
  6. Step 6: Final answer
    x = 56,490.36

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