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Finding the Fourth Proportional to 74,872.66, 103,323.49 and 40,881.04

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Solution

The fourth proportional to 74,872.66, 103,323.49 and 40,881.04 is: 56,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,872.66 : 103,323.49 = 40,881.04 : x
  2. Step 2: Convert to fraction form
    74,872.66/103,323.49 = 40,881.04/x
  3. Step 3: Cross multiply
    74,872.66x = 103,323.49 × 40,881.04
  4. Step 4: Simplify right side
    74,872.66x = 4,223,971,727.63
  5. Step 5: Solve for x
    x = 4,223,971,727.63/74,872.66
  6. Step 6: Final answer
    x = 56,415.41

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