Finding the Fourth Proportional to 2,046.32, 3,069.83 and 747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.32 : 3,069.83 = 747.78 : x
2. Step 2: Convert to fraction form
   2,046.32/3,069.83 = 747.78/x
3. Step 3: Cross multiply
   2,046.32x = 3,069.83 × 747.78
4. Step 4: Simplify right side
   2,046.32x = 2,295,557.48
5. Step 5: Solve for x
   x = 2,295,557.48/2,046.32
6. Step 6: Final answer
   x = 1,121.80