Finding the Fourth Proportional to 1,601.09, 2,209.47 and 963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.09 : 2,209.47 = 963.42 : x
2. Step 2: Convert to fraction form
   1,601.09/2,209.47 = 963.42/x
3. Step 3: Cross multiply
   1,601.09x = 2,209.47 × 963.42
4. Step 4: Simplify right side
   1,601.09x = 2,128,647.59
5. Step 5: Solve for x
   x = 2,128,647.59/1,601.09
6. Step 6: Final answer
   x = 1,329.50