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Finding the Fourth Proportional to 15,999.48, 22,079.02 and 8,926.68

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Solution

The fourth proportional to 15,999.48, 22,079.02 and 8,926.68 is: 12,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.48 : 22,079.02 = 8,926.68 : x
  2. Step 2: Convert to fraction form
    15,999.48/22,079.02 = 8,926.68/x
  3. Step 3: Cross multiply
    15,999.48x = 22,079.02 × 8,926.68
  4. Step 4: Simplify right side
    15,999.48x = 197,092,346.25
  5. Step 5: Solve for x
    x = 197,092,346.25/15,999.48
  6. Step 6: Final answer
    x = 12,318.67

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