Finding the Fourth Proportional to 2,275.72, 3,413.59 and 632.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.72 : 3,413.59 = 632.27 : x
2. Step 2: Convert to fraction form
   2,275.72/3,413.59 = 632.27/x
3. Step 3: Cross multiply
   2,275.72x = 3,413.59 × 632.27
4. Step 4: Simplify right side
   2,275.72x = 2,158,310.55
5. Step 5: Solve for x
   x = 2,158,310.55/2,275.72
6. Step 6: Final answer
   x = 948.41