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Finding the Fourth Proportional to 11,580.99, 17,371.32 and 2,815.92

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Solution

The fourth proportional to 11,580.99, 17,371.32 and 2,815.92 is: 4,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.99 : 17,371.32 = 2,815.92 : x
  2. Step 2: Convert to fraction form
    11,580.99/17,371.32 = 2,815.92/x
  3. Step 3: Cross multiply
    11,580.99x = 17,371.32 × 2,815.92
  4. Step 4: Simplify right side
    11,580.99x = 48,916,247.41
  5. Step 5: Solve for x
    x = 48,916,247.41/11,580.99
  6. Step 6: Final answer
    x = 4,223.84

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