Finding the Fourth Proportional to 2,399.72, 3,599.16 and 1,101.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.72 : 3,599.16 = 1,101.08 : x
2. Step 2: Convert to fraction form
   2,399.72/3,599.16 = 1,101.08/x
3. Step 3: Cross multiply
   2,399.72x = 3,599.16 × 1,101.08
4. Step 4: Simplify right side
   2,399.72x = 3,962,963.09
5. Step 5: Solve for x
   x = 3,962,963.09/2,399.72
6. Step 6: Final answer
   x = 1,651.43