Finding the Fourth Proportional to 2,064.38, 3,095.76 and 747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.38 : 3,095.76 = 747.78 : x
2. Step 2: Convert to fraction form
   2,064.38/3,095.76 = 747.78/x
3. Step 3: Cross multiply
   2,064.38x = 3,095.76 × 747.78
4. Step 4: Simplify right side
   2,064.38x = 2,314,947.41
5. Step 5: Solve for x
   x = 2,314,947.41/2,064.38
6. Step 6: Final answer
   x = 1,121.38