Finding the Fourth Proportional to 2,742.57, 4,116.87 and 1,100.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.57 : 4,116.87 = 1,100.28 : x
2. Step 2: Convert to fraction form
   2,742.57/4,116.87 = 1,100.28/x
3. Step 3: Cross multiply
   2,742.57x = 4,116.87 × 1,100.28
4. Step 4: Simplify right side
   2,742.57x = 4,529,709.72
5. Step 5: Solve for x
   x = 4,529,709.72/2,742.57
6. Step 6: Final answer
   x = 1,651.63