Finding the Fourth Proportional to 2,799.92, 4,198.29 and 1,155.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.92 : 4,198.29 = 1,155.10 : x
2. Step 2: Convert to fraction form
   2,799.92/4,198.29 = 1,155.10/x
3. Step 3: Cross multiply
   2,799.92x = 4,198.29 × 1,155.10
4. Step 4: Simplify right side
   2,799.92x = 4,849,444.78
5. Step 5: Solve for x
   x = 4,849,444.78/2,799.92
6. Step 6: Final answer
   x = 1,731.99