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Finding the Fourth Proportional to 207,465.78, 286,308.45 and 126,891.84

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Solution

The fourth proportional to 207,465.78, 286,308.45 and 126,891.84 is: 175,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,465.78 : 286,308.45 = 126,891.84 : x
  2. Step 2: Convert to fraction form
    207,465.78/286,308.45 = 126,891.84/x
  3. Step 3: Cross multiply
    207,465.78x = 286,308.45 × 126,891.84
  4. Step 4: Simplify right side
    207,465.78x = 36,330,206,028.05
  5. Step 5: Solve for x
    x = 36,330,206,028.05/207,465.78
  6. Step 6: Final answer
    x = 175,114.21

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