Finding the Fourth Proportional to 2,426.42, 3,641.52 and 965.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.42 : 3,641.52 = 965.72 : x
2. Step 2: Convert to fraction form
   2,426.42/3,641.52 = 965.72/x
3. Step 3: Cross multiply
   2,426.42x = 3,641.52 × 965.72
4. Step 4: Simplify right side
   2,426.42x = 3,516,688.69
5. Step 5: Solve for x
   x = 3,516,688.69/2,426.42
6. Step 6: Final answer
   x = 1,449.33