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Finding the Fourth Proportional to 73,722.60, 110,462.30 and 42,503.40

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Solution

The fourth proportional to 73,722.60, 110,462.30 and 42,503.40 is: 63,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,722.60 : 110,462.30 = 42,503.40 : x
  2. Step 2: Convert to fraction form
    73,722.60/110,462.30 = 42,503.40/x
  3. Step 3: Cross multiply
    73,722.60x = 110,462.30 × 42,503.40
  4. Step 4: Simplify right side
    73,722.60x = 4,695,023,321.82
  5. Step 5: Solve for x
    x = 4,695,023,321.82/73,722.60
  6. Step 6: Final answer
    x = 63,684.99

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