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Finding the Fourth Proportional to 386,106.82, 579,240.87 and 119,860.42

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Solution

The fourth proportional to 386,106.82, 579,240.87 and 119,860.42 is: 179,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,106.82 : 579,240.87 = 119,860.42 : x
  2. Step 2: Convert to fraction form
    386,106.82/579,240.87 = 119,860.42/x
  3. Step 3: Cross multiply
    386,106.82x = 579,240.87 × 119,860.42
  4. Step 4: Simplify right side
    386,106.82x = 69,428,053,959.37
  5. Step 5: Solve for x
    x = 69,428,053,959.37/386,106.82
  6. Step 6: Final answer
    x = 179,815.66

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