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Finding the Fourth Proportional to 49,645.86, 74,468.97 and 12,206.22

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Solution

The fourth proportional to 49,645.86, 74,468.97 and 12,206.22 is: 18,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.86 : 74,468.97 = 12,206.22 : x
  2. Step 2: Convert to fraction form
    49,645.86/74,468.97 = 12,206.22/x
  3. Step 3: Cross multiply
    49,645.86x = 74,468.97 × 12,206.22
  4. Step 4: Simplify right side
    49,645.86x = 908,984,630.99
  5. Step 5: Solve for x
    x = 908,984,630.99/49,645.86
  6. Step 6: Final answer
    x = 18,309.37

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