Finding the Fourth Proportional to 2,247.94, 3,372.06 and 766.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,247.94 : 3,372.06 = 766.55 : x
2. Step 2: Convert to fraction form
   2,247.94/3,372.06 = 766.55/x
3. Step 3: Cross multiply
   2,247.94x = 3,372.06 × 766.55
4. Step 4: Simplify right side
   2,247.94x = 2,584,859.59
5. Step 5: Solve for x
   x = 2,584,859.59/2,247.94
6. Step 6: Final answer
   x = 1,149.88