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Finding the Fourth Proportional to 74,313.20, 111,469.80 and 27,556.40

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Solution

The fourth proportional to 74,313.20, 111,469.80 and 27,556.40 is: 41,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313.20 : 111,469.80 = 27,556.40 : x
  2. Step 2: Convert to fraction form
    74,313.20/111,469.80 = 27,556.40/x
  3. Step 3: Cross multiply
    74,313.20x = 111,469.80 × 27,556.40
  4. Step 4: Simplify right side
    74,313.20x = 3,071,706,396.72
  5. Step 5: Solve for x
    x = 3,071,706,396.72/74,313.20
  6. Step 6: Final answer
    x = 41,334.60

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