Finding the Fourth Proportional to 22,831.08, 31,506.82 and 12,759.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,831.08 : 31,506.82 = 12,759.54 : x
2. Step 2: Convert to fraction form
   22,831.08/31,506.82 = 12,759.54/x
3. Step 3: Cross multiply
   22,831.08x = 31,506.82 × 12,759.54
4. Step 4: Simplify right side
   22,831.08x = 402,012,530.06
5. Step 5: Solve for x
   x = 402,012,530.06/22,831.08
6. Step 6: Final answer
   x = 17,608.13