Finding the Fourth Proportional to 2,738.72, 3,772.88 and 2,263.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.72 : 3,772.88 = 2,263.52 : x
2. Step 2: Convert to fraction form
   2,738.72/3,772.88 = 2,263.52/x
3. Step 3: Cross multiply
   2,738.72x = 3,772.88 × 2,263.52
4. Step 4: Simplify right side
   2,738.72x = 8,539,989.34
5. Step 5: Solve for x
   x = 8,539,989.34/2,738.72
6. Step 6: Final answer
   x = 3,118.24