Finding the Fourth Proportional to 12,327.12, 17,013.00 and 8,081.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.12 : 17,013.00 = 8,081.76 : x
2. Step 2: Convert to fraction form
   12,327.12/17,013.00 = 8,081.76/x
3. Step 3: Cross multiply
   12,327.12x = 17,013.00 × 8,081.76
4. Step 4: Simplify right side
   12,327.12x = 137,495,018.97
5. Step 5: Solve for x
   x = 137,495,018.97/12,327.12
6. Step 6: Final answer
   x = 11,153.86