Finding the Fourth Proportional to 1,552.72, 2,142.26 and 963.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.72 : 2,142.26 = 963.46 : x
2. Step 2: Convert to fraction form
   1,552.72/2,142.26 = 963.46/x
3. Step 3: Cross multiply
   1,552.72x = 2,142.26 × 963.46
4. Step 4: Simplify right side
   1,552.72x = 2,063,981.82
5. Step 5: Solve for x
   x = 2,063,981.82/1,552.72
6. Step 6: Final answer
   x = 1,329.27