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Finding the Fourth Proportional to 8,955.43, 12,357.63 and 4,976.30

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Solution

The fourth proportional to 8,955.43, 12,357.63 and 4,976.30 is: 6,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.43 : 12,357.63 = 4,976.30 : x
  2. Step 2: Convert to fraction form
    8,955.43/12,357.63 = 4,976.30/x
  3. Step 3: Cross multiply
    8,955.43x = 12,357.63 × 4,976.30
  4. Step 4: Simplify right side
    8,955.43x = 61,495,305.06
  5. Step 5: Solve for x
    x = 61,495,305.06/8,955.43
  6. Step 6: Final answer
    x = 6,866.82

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