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Finding the Fourth Proportional to 54,854.58, 82,264.86 and 19,789.68

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Solution

The fourth proportional to 54,854.58, 82,264.86 and 19,789.68 is: 29,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.58 : 82,264.86 = 19,789.68 : x
  2. Step 2: Convert to fraction form
    54,854.58/82,264.86 = 19,789.68/x
  3. Step 3: Cross multiply
    54,854.58x = 82,264.86 × 19,789.68
  4. Step 4: Simplify right side
    54,854.58x = 1,627,995,254.64
  5. Step 5: Solve for x
    x = 1,627,995,254.64/54,854.58
  6. Step 6: Final answer
    x = 29,678.38

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