Finding the Fourth Proportional to 11,055.52, 16,585.52 and 3,657.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,055.52 : 16,585.52 = 3,657.76 : x
2. Step 2: Convert to fraction form
   11,055.52/16,585.52 = 3,657.76/x
3. Step 3: Cross multiply
   11,055.52x = 16,585.52 × 3,657.76
4. Step 4: Simplify right side
   11,055.52x = 60,665,851.64
5. Step 5: Solve for x
   x = 60,665,851.64/11,055.52
6. Step 6: Final answer
   x = 5,487.38