Finding the Fourth Proportional to 22,831.88, 31,508.06 and 12,895.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,831.88 : 31,508.06 = 12,895.88 : x
2. Step 2: Convert to fraction form
   22,831.88/31,508.06 = 12,895.88/x
3. Step 3: Cross multiply
   22,831.88x = 31,508.06 × 12,895.88
4. Step 4: Simplify right side
   22,831.88x = 406,323,938.77
5. Step 5: Solve for x
   x = 406,323,938.77/22,831.88
6. Step 6: Final answer
   x = 17,796.35