Finding the Fourth Proportional to 11,519.72, 17,282.31 and 3,728.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,519.72 : 17,282.31 = 3,728.53 : x
2. Step 2: Convert to fraction form
   11,519.72/17,282.31 = 3,728.53/x
3. Step 3: Cross multiply
   11,519.72x = 17,282.31 × 3,728.53
4. Step 4: Simplify right side
   11,519.72x = 64,437,639.90
5. Step 5: Solve for x
   x = 64,437,639.90/11,519.72
6. Step 6: Final answer
   x = 5,593.68