Finding the Fourth Proportional to 2,510.22, 3,766.25 and 866.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.22 : 3,766.25 = 866.94 : x
2. Step 2: Convert to fraction form
   2,510.22/3,766.25 = 866.94/x
3. Step 3: Cross multiply
   2,510.22x = 3,766.25 × 866.94
4. Step 4: Simplify right side
   2,510.22x = 3,265,095.94
5. Step 5: Solve for x
   x = 3,265,095.94/2,510.22
6. Step 6: Final answer
   x = 1,300.72