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Finding the Fourth Proportional to 74,329.84, 111,493.79 and 18,170.44

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Solution

The fourth proportional to 74,329.84, 111,493.79 and 18,170.44 is: 27,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.84 : 111,493.79 = 18,170.44 : x
  2. Step 2: Convert to fraction form
    74,329.84/111,493.79 = 18,170.44/x
  3. Step 3: Cross multiply
    74,329.84x = 111,493.79 × 18,170.44
  4. Step 4: Simplify right side
    74,329.84x = 2,025,890,920.12
  5. Step 5: Solve for x
    x = 2,025,890,920.12/74,329.84
  6. Step 6: Final answer
    x = 27,255.42

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