Finding the Fourth Proportional to 2,515.24, 3,772.27 and 955.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.24 : 3,772.27 = 955.43 : x
2. Step 2: Convert to fraction form
   2,515.24/3,772.27 = 955.43/x
3. Step 3: Cross multiply
   2,515.24x = 3,772.27 × 955.43
4. Step 4: Simplify right side
   2,515.24x = 3,604,116.29
5. Step 5: Solve for x
   x = 3,604,116.29/2,515.24
6. Step 6: Final answer
   x = 1,432.91