Finding the Fourth Proportional to 11,124.42, 16,686.82 and 3,728.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,124.42 : 16,686.82 = 3,728.90 : x
2. Step 2: Convert to fraction form
   11,124.42/16,686.82 = 3,728.90/x
3. Step 3: Cross multiply
   11,124.42x = 16,686.82 × 3,728.90
4. Step 4: Simplify right side
   11,124.42x = 62,223,483.10
5. Step 5: Solve for x
   x = 62,223,483.10/11,124.42
6. Step 6: Final answer
   x = 5,593.41