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Finding the Fourth Proportional to 207,698.22, 311,230.17 and 107,890.74

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Solution

The fourth proportional to 207,698.22, 311,230.17 and 107,890.74 is: 161,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,698.22 : 311,230.17 = 107,890.74 : x
  2. Step 2: Convert to fraction form
    207,698.22/311,230.17 = 107,890.74/x
  3. Step 3: Cross multiply
    207,698.22x = 311,230.17 × 107,890.74
  4. Step 4: Simplify right side
    207,698.22x = 33,578,853,351.63
  5. Step 5: Solve for x
    x = 33,578,853,351.63/207,698.22
  6. Step 6: Final answer
    x = 161,671.36

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