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Finding the Fourth Proportional to 299,606.20, 449,474.10 and 99,892.60

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Solution

The fourth proportional to 299,606.20, 449,474.10 and 99,892.60 is: 149,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,606.20 : 449,474.10 = 99,892.60 : x
  2. Step 2: Convert to fraction form
    299,606.20/449,474.10 = 99,892.60/x
  3. Step 3: Cross multiply
    299,606.20x = 449,474.10 × 99,892.60
  4. Step 4: Simplify right side
    299,606.20x = 44,899,136,481.66
  5. Step 5: Solve for x
    x = 44,899,136,481.66/299,606.20
  6. Step 6: Final answer
    x = 149,860.51

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