Finding the Fourth Proportional to 2,998.10, 4,494.06 and 1,148.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,998.10 : 4,494.06 = 1,148.72 : x
2. Step 2: Convert to fraction form
   2,998.10/4,494.06 = 1,148.72/x
3. Step 3: Cross multiply
   2,998.10x = 4,494.06 × 1,148.72
4. Step 4: Simplify right side
   2,998.10x = 5,162,394.13
5. Step 5: Solve for x
   x = 5,162,394.13/2,998.10
6. Step 6: Final answer
   x = 1,721.89