Finding the Fourth Proportional to 2,626.33, 3,940.17 and 777.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.33 : 3,940.17 = 777.52 : x
2. Step 2: Convert to fraction form
   2,626.33/3,940.17 = 777.52/x
3. Step 3: Cross multiply
   2,626.33x = 3,940.17 × 777.52
4. Step 4: Simplify right side
   2,626.33x = 3,063,560.98
5. Step 5: Solve for x
   x = 3,063,560.98/2,626.33
6. Step 6: Final answer
   x = 1,166.48