Finding the Fourth Proportional to 2,695.58, 4,043.71 and 747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,695.58 : 4,043.71 = 747.78 : x
2. Step 2: Convert to fraction form
   2,695.58/4,043.71 = 747.78/x
3. Step 3: Cross multiply
   2,695.58x = 4,043.71 × 747.78
4. Step 4: Simplify right side
   2,695.58x = 3,023,809.77
5. Step 5: Solve for x
   x = 3,023,809.77/2,695.58
6. Step 6: Final answer
   x = 1,121.77