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Finding the Fourth Proportional to 213,354.35, 320,076.08 and 71,193.95

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Solution

The fourth proportional to 213,354.35, 320,076.08 and 71,193.95 is: 106,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,354.35 : 320,076.08 = 71,193.95 : x
  2. Step 2: Convert to fraction form
    213,354.35/320,076.08 = 71,193.95/x
  3. Step 3: Cross multiply
    213,354.35x = 320,076.08 × 71,193.95
  4. Step 4: Simplify right side
    213,354.35x = 22,787,480,079.75
  5. Step 5: Solve for x
    x = 22,787,480,079.75/213,354.35
  6. Step 6: Final answer
    x = 106,805.79

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