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Finding the Fourth Proportional to 74,622.36, 111,387.57 and 65,765.28

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Solution

The fourth proportional to 74,622.36, 111,387.57 and 65,765.28 is: 98,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622.36 : 111,387.57 = 65,765.28 : x
  2. Step 2: Convert to fraction form
    74,622.36/111,387.57 = 65,765.28/x
  3. Step 3: Cross multiply
    74,622.36x = 111,387.57 × 65,765.28
  4. Step 4: Simplify right side
    74,622.36x = 7,325,434,729.57
  5. Step 5: Solve for x
    x = 7,325,434,729.57/74,622.36
  6. Step 6: Final answer
    x = 98,166.75

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