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Finding the Fourth Proportional to 74,194.88, 111,234.80 and 36,729.12

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Solution

The fourth proportional to 74,194.88, 111,234.80 and 36,729.12 is: 55,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.88 : 111,234.80 = 36,729.12 : x
  2. Step 2: Convert to fraction form
    74,194.88/111,234.80 = 36,729.12/x
  3. Step 3: Cross multiply
    74,194.88x = 111,234.80 × 36,729.12
  4. Step 4: Simplify right side
    74,194.88x = 4,085,556,317.38
  5. Step 5: Solve for x
    x = 4,085,556,317.38/74,194.88
  6. Step 6: Final answer
    x = 55,065.21

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