Finding the Fourth Proportional to 2,743.08, 4,112.29 and 1,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.08 : 4,112.29 = 1,098.72 : x
2. Step 2: Convert to fraction form
   2,743.08/4,112.29 = 1,098.72/x
3. Step 3: Cross multiply
   2,743.08x = 4,112.29 × 1,098.72
4. Step 4: Simplify right side
   2,743.08x = 4,518,255.27
5. Step 5: Solve for x
   x = 4,518,255.27/2,743.08
6. Step 6: Final answer
   x = 1,647.15