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Finding the Fourth Proportional to 30,799.54, 46,202.22 and 8,612.91

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Solution

The fourth proportional to 30,799.54, 46,202.22 and 8,612.91 is: 12,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.54 : 46,202.22 = 8,612.91 : x
  2. Step 2: Convert to fraction form
    30,799.54/46,202.22 = 8,612.91/x
  3. Step 3: Cross multiply
    30,799.54x = 46,202.22 × 8,612.91
  4. Step 4: Simplify right side
    30,799.54x = 397,935,562.66
  5. Step 5: Solve for x
    x = 397,935,562.66/30,799.54
  6. Step 6: Final answer
    x = 12,920.18

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