Finding the Fourth Proportional to 1,064.16, 1,601.82 and 963.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.16 : 1,601.82 = 963.60 : x
2. Step 2: Convert to fraction form
   1,064.16/1,601.82 = 963.60/x
3. Step 3: Cross multiply
   1,064.16x = 1,601.82 × 963.60
4. Step 4: Simplify right side
   1,064.16x = 1,543,513.75
5. Step 5: Solve for x
   x = 1,543,513.75/1,064.16
6. Step 6: Final answer
   x = 1,450.45