Finding the Fourth Proportional to 2,998.61, 4,498.52 and 1,149.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,998.61 : 4,498.52 = 1,149.78 : x
2. Step 2: Convert to fraction form
   2,998.61/4,498.52 = 1,149.78/x
3. Step 3: Cross multiply
   2,998.61x = 4,498.52 × 1,149.78
4. Step 4: Simplify right side
   2,998.61x = 5,172,302.58
5. Step 5: Solve for x
   x = 5,172,302.58/2,998.61
6. Step 6: Final answer
   x = 1,724.90