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Finding the Fourth Proportional to 74,073.20, 111,012.60 and 29,663.60

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Solution

The fourth proportional to 74,073.20, 111,012.60 and 29,663.60 is: 44,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,073.20 : 111,012.60 = 29,663.60 : x
  2. Step 2: Convert to fraction form
    74,073.20/111,012.60 = 29,663.60/x
  3. Step 3: Cross multiply
    74,073.20x = 111,012.60 × 29,663.60
  4. Step 4: Simplify right side
    74,073.20x = 3,293,033,361.36
  5. Step 5: Solve for x
    x = 3,293,033,361.36/74,073.20
  6. Step 6: Final answer
    x = 44,456.47

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