Finding the Fourth Proportional to 12,057.88, 16,645.59 and 8,081.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057.88 : 16,645.59 = 8,081.59 : x
2. Step 2: Convert to fraction form
   12,057.88/16,645.59 = 8,081.59/x
3. Step 3: Cross multiply
   12,057.88x = 16,645.59 × 8,081.59
4. Step 4: Simplify right side
   12,057.88x = 134,522,833.69
5. Step 5: Solve for x
   x = 134,522,833.69/12,057.88
6. Step 6: Final answer
   x = 11,156.42