Finding the Fourth Proportional to 22,831.97, 31,506.94 and 12,758.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,831.97 : 31,506.94 = 12,758.43 : x
2. Step 2: Convert to fraction form
   22,831.97/31,506.94 = 12,758.43/x
3. Step 3: Cross multiply
   22,831.97x = 31,506.94 × 12,758.43
4. Step 4: Simplify right side
   22,831.97x = 401,979,222.60
5. Step 5: Solve for x
   x = 401,979,222.60/22,831.97
6. Step 6: Final answer
   x = 17,605.98