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Finding the Fourth Proportional to 21,347.76, 29,461.05 and 12,398.07

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Solution

The fourth proportional to 21,347.76, 29,461.05 and 12,398.07 is: 17,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.76 : 29,461.05 = 12,398.07 : x
  2. Step 2: Convert to fraction form
    21,347.76/29,461.05 = 12,398.07/x
  3. Step 3: Cross multiply
    21,347.76x = 29,461.05 × 12,398.07
  4. Step 4: Simplify right side
    21,347.76x = 365,260,160.17
  5. Step 5: Solve for x
    x = 365,260,160.17/21,347.76
  6. Step 6: Final answer
    x = 17,110.00

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