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Finding the Fourth Proportional to 299,728.58, 449,814.60 and 141,957.32

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Solution

The fourth proportional to 299,728.58, 449,814.60 and 141,957.32 is: 213,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,728.58 : 449,814.60 = 141,957.32 : x
  2. Step 2: Convert to fraction form
    299,728.58/449,814.60 = 141,957.32/x
  3. Step 3: Cross multiply
    299,728.58x = 449,814.60 × 141,957.32
  4. Step 4: Simplify right side
    299,728.58x = 63,854,472,863.80
  5. Step 5: Solve for x
    x = 63,854,472,863.80/299,728.58
  6. Step 6: Final answer
    x = 213,040.99

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