Finding the Fourth Proportional to 2,510.74, 3,766.32 and 867.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.74 : 3,766.32 = 867.30 : x
2. Step 2: Convert to fraction form
   2,510.74/3,766.32 = 867.30/x
3. Step 3: Cross multiply
   2,510.74x = 3,766.32 × 867.30
4. Step 4: Simplify right side
   2,510.74x = 3,266,529.34
5. Step 5: Solve for x
   x = 3,266,529.34/2,510.74
6. Step 6: Final answer
   x = 1,301.02