Finding the Fourth Proportional to 11,081.72, 16,627.39 and 5,815.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.72 : 16,627.39 = 5,815.46 : x
2. Step 2: Convert to fraction form
   11,081.72/16,627.39 = 5,815.46/x
3. Step 3: Cross multiply
   11,081.72x = 16,627.39 × 5,815.46
4. Step 4: Simplify right side
   11,081.72x = 96,695,921.45
5. Step 5: Solve for x
   x = 96,695,921.45/11,081.72
6. Step 6: Final answer
   x = 8,725.71