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Finding the Fourth Proportional to 81,622.32, 122,424.84 and 26,214

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Solution

The fourth proportional to 81,622.32, 122,424.84 and 26,214 is: 39,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,622.32 : 122,424.84 = 26,214 : x
  2. Step 2: Convert to fraction form
    81,622.32/122,424.84 = 26,214/x
  3. Step 3: Cross multiply
    81,622.32x = 122,424.84 × 26,214
  4. Step 4: Simplify right side
    81,622.32x = 3,209,244,755.76
  5. Step 5: Solve for x
    x = 3,209,244,755.76/81,622.32
  6. Step 6: Final answer
    x = 39,318.23

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