Finding the Fourth Proportional to 1,494.78, 2,061.63 and 963.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.78 : 2,061.63 = 963.72 : x
2. Step 2: Convert to fraction form
   1,494.78/2,061.63 = 963.72/x
3. Step 3: Cross multiply
   1,494.78x = 2,061.63 × 963.72
4. Step 4: Simplify right side
   1,494.78x = 1,986,834.06
5. Step 5: Solve for x
   x = 1,986,834.06/1,494.78
6. Step 6: Final answer
   x = 1,329.18