Finding the Fourth Proportional to 22,831.48, 31,507.46 and 12,895.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,831.48 : 31,507.46 = 12,895.48 : x
2. Step 2: Convert to fraction form
   22,831.48/31,507.46 = 12,895.48/x
3. Step 3: Cross multiply
   22,831.48x = 31,507.46 × 12,895.48
4. Step 4: Simplify right side
   22,831.48x = 406,303,820.28
5. Step 5: Solve for x
   x = 406,303,820.28/22,831.48
6. Step 6: Final answer
   x = 17,795.77