Finding the Fourth Proportional to 1,552.86, 2,142.09 and 963.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.86 : 2,142.09 = 963.27 : x
2. Step 2: Convert to fraction form
   1,552.86/2,142.09 = 963.27/x
3. Step 3: Cross multiply
   1,552.86x = 2,142.09 × 963.27
4. Step 4: Simplify right side
   1,552.86x = 2,063,411.03
5. Step 5: Solve for x
   x = 2,063,411.03/1,552.86
6. Step 6: Final answer
   x = 1,328.78