Finding the Fourth Proportional to 2,743.57, 4,114.33 and 988.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.57 : 4,114.33 = 988.10 : x
2. Step 2: Convert to fraction form
   2,743.57/4,114.33 = 988.10/x
3. Step 3: Cross multiply
   2,743.57x = 4,114.33 × 988.10
4. Step 4: Simplify right side
   2,743.57x = 4,065,369.47
5. Step 5: Solve for x
   x = 4,065,369.47/2,743.57
6. Step 6: Final answer
   x = 1,481.78