Finding the Fourth Proportional to 23,066.06, 31,831.26 and 12,994.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,066.06 : 31,831.26 = 12,994.62 : x
2. Step 2: Convert to fraction form
   23,066.06/31,831.26 = 12,994.62/x
3. Step 3: Cross multiply
   23,066.06x = 31,831.26 × 12,994.62
4. Step 4: Simplify right side
   23,066.06x = 413,635,167.61
5. Step 5: Solve for x
   x = 413,635,167.61/23,066.06
6. Step 6: Final answer
   x = 17,932.63