Finding the Fourth Proportional to 1,626.86, 2,245.25 and 963.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.86 : 2,245.25 = 963.88 : x
2. Step 2: Convert to fraction form
   1,626.86/2,245.25 = 963.88/x
3. Step 3: Cross multiply
   1,626.86x = 2,245.25 × 963.88
4. Step 4: Simplify right side
   1,626.86x = 2,164,151.57
5. Step 5: Solve for x
   x = 2,164,151.57/1,626.86
6. Step 6: Final answer
   x = 1,330.26