Finding the Fourth Proportional to 12,056.88, 16,644.21 and 8,080.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,056.88 : 16,644.21 = 8,080.59 : x
2. Step 2: Convert to fraction form
   12,056.88/16,644.21 = 8,080.59/x
3. Step 3: Cross multiply
   12,056.88x = 16,644.21 × 8,080.59
4. Step 4: Simplify right side
   12,056.88x = 134,495,036.88
5. Step 5: Solve for x
   x = 134,495,036.88/12,056.88
6. Step 6: Final answer
   x = 11,155.04