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Finding the Fourth Proportional to 8,836.78, 12,195.03 and 4,857.82

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Solution

The fourth proportional to 8,836.78, 12,195.03 and 4,857.82 is: 6,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.78 : 12,195.03 = 4,857.82 : x
  2. Step 2: Convert to fraction form
    8,836.78/12,195.03 = 4,857.82/x
  3. Step 3: Cross multiply
    8,836.78x = 12,195.03 × 4,857.82
  4. Step 4: Simplify right side
    8,836.78x = 59,241,260.63
  5. Step 5: Solve for x
    x = 59,241,260.63/8,836.78
  6. Step 6: Final answer
    x = 6,703.94

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