Finding the Fourth Proportional to 23,066.50, 31,831.86 and 12,995.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,066.50 : 31,831.86 = 12,995.06 : x
2. Step 2: Convert to fraction form
   23,066.50/31,831.86 = 12,995.06/x
3. Step 3: Cross multiply
   23,066.50x = 31,831.86 × 12,995.06
4. Step 4: Simplify right side
   23,066.50x = 413,656,939.55
5. Step 5: Solve for x
   x = 413,656,939.55/23,066.50
6. Step 6: Final answer
   x = 17,933.24