Finding the Fourth Proportional to 2,756.88, 4,133.52 and 1,113.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.88 : 4,133.52 = 1,113.12 : x
2. Step 2: Convert to fraction form
   2,756.88/4,133.52 = 1,113.12/x
3. Step 3: Cross multiply
   2,756.88x = 4,133.52 × 1,113.12
4. Step 4: Simplify right side
   2,756.88x = 4,601,103.78
5. Step 5: Solve for x
   x = 4,601,103.78/2,756.88
6. Step 6: Final answer
   x = 1,668.95