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Finding the Fourth Proportional to 215,572.47, 323,408.76 and 73,418.97

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Solution

The fourth proportional to 215,572.47, 323,408.76 and 73,418.97 is: 110,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,572.47 : 323,408.76 = 73,418.97 : x
  2. Step 2: Convert to fraction form
    215,572.47/323,408.76 = 73,418.97/x
  3. Step 3: Cross multiply
    215,572.47x = 323,408.76 × 73,418.97
  4. Step 4: Simplify right side
    215,572.47x = 23,744,338,985.64
  5. Step 5: Solve for x
    x = 23,744,338,985.64/215,572.47
  6. Step 6: Final answer
    x = 110,145.51

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