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Finding the Fourth Proportional to 8,815.16, 13,219.60 and 2,573.54

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Solution

The fourth proportional to 8,815.16, 13,219.60 and 2,573.54 is: 3,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.16 : 13,219.60 = 2,573.54 : x
  2. Step 2: Convert to fraction form
    8,815.16/13,219.60 = 2,573.54/x
  3. Step 3: Cross multiply
    8,815.16x = 13,219.60 × 2,573.54
  4. Step 4: Simplify right side
    8,815.16x = 34,021,169.38
  5. Step 5: Solve for x
    x = 34,021,169.38/8,815.16
  6. Step 6: Final answer
    x = 3,859.39

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