Finding the Fourth Proportional to 2,425.41, 3,638.16 and 963.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.41 : 3,638.16 = 963.72 : x
2. Step 2: Convert to fraction form
   2,425.41/3,638.16 = 963.72/x
3. Step 3: Cross multiply
   2,425.41x = 3,638.16 × 963.72
4. Step 4: Simplify right side
   2,425.41x = 3,506,167.56
5. Step 5: Solve for x
   x = 3,506,167.56/2,425.41
6. Step 6: Final answer
   x = 1,445.60