Finding the Fourth Proportional to 11,065.10, 16,587.59 and 5,520.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,065.10 : 16,587.59 = 5,520.14 : x
2. Step 2: Convert to fraction form
   11,065.10/16,587.59 = 5,520.14/x
3. Step 3: Cross multiply
   11,065.10x = 16,587.59 × 5,520.14
4. Step 4: Simplify right side
   11,065.10x = 91,565,708.52
5. Step 5: Solve for x
   x = 91,565,708.52/11,065.10
6. Step 6: Final answer
   x = 8,275.19