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Finding the Fourth Proportional to 452,448.15, 678,671.61 and 115,488.84

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Solution

The fourth proportional to 452,448.15, 678,671.61 and 115,488.84 is: 173,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,448.15 : 678,671.61 = 115,488.84 : x
  2. Step 2: Convert to fraction form
    452,448.15/678,671.61 = 115,488.84/x
  3. Step 3: Cross multiply
    452,448.15x = 678,671.61 × 115,488.84
  4. Step 4: Simplify right side
    452,448.15x = 78,378,996,979.83
  5. Step 5: Solve for x
    x = 78,378,996,979.83/452,448.15
  6. Step 6: Final answer
    x = 173,233.10

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