Finding the Fourth Proportional to 11,085.60, 16,614.50 and 5,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.60 : 16,614.50 = 5,540.50 : x
2. Step 2: Convert to fraction form
   11,085.60/16,614.50 = 5,540.50/x
3. Step 3: Cross multiply
   11,085.60x = 16,614.50 × 5,540.50
4. Step 4: Simplify right side
   11,085.60x = 92,052,637.25
5. Step 5: Solve for x
   x = 92,052,637.25/11,085.60
6. Step 6: Final answer
   x = 8,303.80