Finding the Fourth Proportional to 2,510.32, 3,766.08 and 866.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.32 : 3,766.08 = 866.88 : x
2. Step 2: Convert to fraction form
   2,510.32/3,766.08 = 866.88/x
3. Step 3: Cross multiply
   2,510.32x = 3,766.08 × 866.88
4. Step 4: Simplify right side
   2,510.32x = 3,264,748.85
5. Step 5: Solve for x
   x = 3,264,748.85/2,510.32
6. Step 6: Final answer
   x = 1,300.53