Finding the Fourth Proportional to 2,743.61, 4,117.53 and 1,100.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.61 : 4,117.53 = 1,100.31 : x
2. Step 2: Convert to fraction form
   2,743.61/4,117.53 = 1,100.31/x
3. Step 3: Cross multiply
   2,743.61x = 4,117.53 × 1,100.31
4. Step 4: Simplify right side
   2,743.61x = 4,530,559.43
5. Step 5: Solve for x
   x = 4,530,559.43/2,743.61
6. Step 6: Final answer
   x = 1,651.32