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Finding the Fourth Proportional to 283,851.12, 426,071.92 and 209,055.72

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Solution

The fourth proportional to 283,851.12, 426,071.92 and 209,055.72 is: 313,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,851.12 : 426,071.92 = 209,055.72 : x
  2. Step 2: Convert to fraction form
    283,851.12/426,071.92 = 209,055.72/x
  3. Step 3: Cross multiply
    283,851.12x = 426,071.92 × 209,055.72
  4. Step 4: Simplify right side
    283,851.12x = 89,072,772,007.38
  5. Step 5: Solve for x
    x = 89,072,772,007.38/283,851.12
  6. Step 6: Final answer
    x = 313,801.02

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