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Finding the Fourth Proportional to 8,173.84, 12,266.22 and 2,979.73

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Solution

The fourth proportional to 8,173.84, 12,266.22 and 2,979.73 is: 4,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.84 : 12,266.22 = 2,979.73 : x
  2. Step 2: Convert to fraction form
    8,173.84/12,266.22 = 2,979.73/x
  3. Step 3: Cross multiply
    8,173.84x = 12,266.22 × 2,979.73
  4. Step 4: Simplify right side
    8,173.84x = 36,550,023.72
  5. Step 5: Solve for x
    x = 36,550,023.72/8,173.84
  6. Step 6: Final answer
    x = 4,471.59

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