Finding the Fourth Proportional to 2,510.33, 3,764.52 and 866.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.33 : 3,764.52 = 866.43 : x
2. Step 2: Convert to fraction form
   2,510.33/3,764.52 = 866.43/x
3. Step 3: Cross multiply
   2,510.33x = 3,764.52 × 866.43
4. Step 4: Simplify right side
   2,510.33x = 3,261,693.06
5. Step 5: Solve for x
   x = 3,261,693.06/2,510.33
6. Step 6: Final answer
   x = 1,299.31