Finding the Fourth Proportional to 3,738.86, 5,154.24 and 2,616.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.86 : 5,154.24 = 2,616.32 : x
2. Step 2: Convert to fraction form
   3,738.86/5,154.24 = 2,616.32/x
3. Step 3: Cross multiply
   3,738.86x = 5,154.24 × 2,616.32
4. Step 4: Simplify right side
   3,738.86x = 13,485,141.20
5. Step 5: Solve for x
   x = 13,485,141.20/3,738.86
6. Step 6: Final answer
   x = 3,606.75