Finding the Fourth Proportional to 2,950.40, 4,425.50 and 759.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,950.40 : 4,425.50 = 759.15 : x
2. Step 2: Convert to fraction form
   2,950.40/4,425.50 = 759.15/x
3. Step 3: Cross multiply
   2,950.40x = 4,425.50 × 759.15
4. Step 4: Simplify right side
   2,950.40x = 3,359,614.53
5. Step 5: Solve for x
   x = 3,359,614.53/2,950.40
6. Step 6: Final answer
   x = 1,138.70