Finding the Fourth Proportional to 10,721.10, 16,082.73 and 3,700.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,721.10 : 16,082.73 = 3,700.20 : x
2. Step 2: Convert to fraction form
   10,721.10/16,082.73 = 3,700.20/x
3. Step 3: Cross multiply
   10,721.10x = 16,082.73 × 3,700.20
4. Step 4: Simplify right side
   10,721.10x = 59,509,317.55
5. Step 5: Solve for x
   x = 59,509,317.55/10,721.10
6. Step 6: Final answer
   x = 5,550.67