Finding the Fourth Proportional to 2,510.82, 3,766.18 and 779.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.82 : 3,766.18 = 779.44 : x
2. Step 2: Convert to fraction form
   2,510.82/3,766.18 = 779.44/x
3. Step 3: Cross multiply
   2,510.82x = 3,766.18 × 779.44
4. Step 4: Simplify right side
   2,510.82x = 2,935,511.34
5. Step 5: Solve for x
   x = 2,935,511.34/2,510.82
6. Step 6: Final answer
   x = 1,169.14