Finding the Fourth Proportional to 11,065.97, 16,585.59 and 5,520.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,065.97 : 16,585.59 = 5,520.71 : x
2. Step 2: Convert to fraction form
   11,065.97/16,585.59 = 5,520.71/x
3. Step 3: Cross multiply
   11,065.97x = 16,585.59 × 5,520.71
4. Step 4: Simplify right side
   11,065.97x = 91,564,232.57
5. Step 5: Solve for x
   x = 91,564,232.57/11,065.97
6. Step 6: Final answer
   x = 8,274.40