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Finding the Fourth Proportional to 12,223.97, 18,335.55 and 3,904.49

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Solution

The fourth proportional to 12,223.97, 18,335.55 and 3,904.49 is: 5,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.97 : 18,335.55 = 3,904.49 : x
  2. Step 2: Convert to fraction form
    12,223.97/18,335.55 = 3,904.49/x
  3. Step 3: Cross multiply
    12,223.97x = 18,335.55 × 3,904.49
  4. Step 4: Simplify right side
    12,223.97x = 71,590,971.62
  5. Step 5: Solve for x
    x = 71,590,971.62/12,223.97
  6. Step 6: Final answer
    x = 5,856.61

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