Finding the Fourth Proportional to 1,766.33, 2,437.52 and 958.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.33 : 2,437.52 = 958.78 : x
2. Step 2: Convert to fraction form
   1,766.33/2,437.52 = 958.78/x
3. Step 3: Cross multiply
   1,766.33x = 2,437.52 × 958.78
4. Step 4: Simplify right side
   1,766.33x = 2,337,045.43
5. Step 5: Solve for x
   x = 2,337,045.43/1,766.33
6. Step 6: Final answer
   x = 1,323.11