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Finding the Fourth Proportional to 69,400.80, 104,101.20 and 29,930.40

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Solution

The fourth proportional to 69,400.80, 104,101.20 and 29,930.40 is: 44,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.80 : 104,101.20 = 29,930.40 : x
  2. Step 2: Convert to fraction form
    69,400.80/104,101.20 = 29,930.40/x
  3. Step 3: Cross multiply
    69,400.80x = 104,101.20 × 29,930.40
  4. Step 4: Simplify right side
    69,400.80x = 3,115,790,556.48
  5. Step 5: Solve for x
    x = 3,115,790,556.48/69,400.80
  6. Step 6: Final answer
    x = 44,895.60

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