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Finding the Fourth Proportional to 8,470.04, 11,689.79 and 4,932.63

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Solution

The fourth proportional to 8,470.04, 11,689.79 and 4,932.63 is: 6,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.04 : 11,689.79 = 4,932.63 : x
  2. Step 2: Convert to fraction form
    8,470.04/11,689.79 = 4,932.63/x
  3. Step 3: Cross multiply
    8,470.04x = 11,689.79 × 4,932.63
  4. Step 4: Simplify right side
    8,470.04x = 57,661,384.18
  5. Step 5: Solve for x
    x = 57,661,384.18/8,470.04
  6. Step 6: Final answer
    x = 6,807.69

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