Finding the Fourth Proportional to 2,998.88, 4,498.15 and 1,149.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,998.88 : 4,498.15 = 1,149.92 : x
2. Step 2: Convert to fraction form
   2,998.88/4,498.15 = 1,149.92/x
3. Step 3: Cross multiply
   2,998.88x = 4,498.15 × 1,149.92
4. Step 4: Simplify right side
   2,998.88x = 5,172,506.90
5. Step 5: Solve for x
   x = 5,172,506.90/2,998.88
6. Step 6: Final answer
   x = 1,724.81