Finding the Fourth Proportional to 22,806.27, 31,473.32 and 12,734.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,806.27 : 31,473.32 = 12,734.55 : x
2. Step 2: Convert to fraction form
   22,806.27/31,473.32 = 12,734.55/x
3. Step 3: Cross multiply
   22,806.27x = 31,473.32 × 12,734.55
4. Step 4: Simplify right side
   22,806.27x = 400,798,503.53
5. Step 5: Solve for x
   x = 400,798,503.53/22,806.27
6. Step 6: Final answer
   x = 17,574.05