Finding the Fourth Proportional to 11,155.15, 16,728.46 and 3,757.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.15 : 16,728.46 = 3,757.62 : x
2. Step 2: Convert to fraction form
   11,155.15/16,728.46 = 3,757.62/x
3. Step 3: Cross multiply
   11,155.15x = 16,728.46 × 3,757.62
4. Step 4: Simplify right side
   11,155.15x = 62,859,195.87
5. Step 5: Solve for x
   x = 62,859,195.87/11,155.15
6. Step 6: Final answer
   x = 5,634.99