Finding the Fourth Proportional to 3,736.72, 5,155.59 and 2,411.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.72 : 5,155.59 = 2,411.20 : x
2. Step 2: Convert to fraction form
   3,736.72/5,155.59 = 2,411.20/x
3. Step 3: Cross multiply
   3,736.72x = 5,155.59 × 2,411.20
4. Step 4: Simplify right side
   3,736.72x = 12,431,158.61
5. Step 5: Solve for x
   x = 12,431,158.61/3,736.72
6. Step 6: Final answer
   x = 3,326.76