Finding the Fourth Proportional to 1,522.86, 2,100.43 and 963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.86 : 2,100.43 = 963.42 : x
2. Step 2: Convert to fraction form
   1,522.86/2,100.43 = 963.42/x
3. Step 3: Cross multiply
   1,522.86x = 2,100.43 × 963.42
4. Step 4: Simplify right side
   1,522.86x = 2,023,596.27
5. Step 5: Solve for x
   x = 2,023,596.27/1,522.86
6. Step 6: Final answer
   x = 1,328.81