Finding the Fourth Proportional to 12,550.42, 17,331.30 and 8,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,550.42 : 17,331.30 = 8,081.96 : x
2. Step 2: Convert to fraction form
   12,550.42/17,331.30 = 8,081.96/x
3. Step 3: Cross multiply
   12,550.42x = 17,331.30 × 8,081.96
4. Step 4: Simplify right side
   12,550.42x = 140,070,873.35
5. Step 5: Solve for x
   x = 140,070,873.35/12,550.42
6. Step 6: Final answer
   x = 11,160.65