Finding the Fourth Proportional to 25,867.12, 35,707.48 and 22,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,867.12 : 35,707.48 = 22,756.72 : x
2. Step 2: Convert to fraction form
   25,867.12/35,707.48 = 22,756.72/x
3. Step 3: Cross multiply
   25,867.12x = 35,707.48 × 22,756.72
4. Step 4: Simplify right side
   25,867.12x = 812,585,124.27
5. Step 5: Solve for x
   x = 812,585,124.27/25,867.12
6. Step 6: Final answer
   x = 31,413.82