Finding the Fourth Proportional to 10,539.83, 14,515.52 and 8,755.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,539.83 : 14,515.52 = 8,755.15 : x
2. Step 2: Convert to fraction form
   10,539.83/14,515.52 = 8,755.15/x
3. Step 3: Cross multiply
   10,539.83x = 14,515.52 × 8,755.15
4. Step 4: Simplify right side
   10,539.83x = 127,085,474.86
5. Step 5: Solve for x
   x = 127,085,474.86/10,539.83
6. Step 6: Final answer
   x = 12,057.65