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Finding the Fourth Proportional to 23,215.22, 34,822.76 and 8,424.12

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Solution

The fourth proportional to 23,215.22, 34,822.76 and 8,424.12 is: 12,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.22 : 34,822.76 = 8,424.12 : x
  2. Step 2: Convert to fraction form
    23,215.22/34,822.76 = 8,424.12/x
  3. Step 3: Cross multiply
    23,215.22x = 34,822.76 × 8,424.12
  4. Step 4: Simplify right side
    23,215.22x = 293,351,108.97
  5. Step 5: Solve for x
    x = 293,351,108.97/23,215.22
  6. Step 6: Final answer
    x = 12,636.15

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