Finding the Fourth Proportional to 23,081.05, 31,851.83 and 12,470.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.05 : 31,851.83 = 12,470.68 : x
2. Step 2: Convert to fraction form
   23,081.05/31,851.83 = 12,470.68/x
3. Step 3: Cross multiply
   23,081.05x = 31,851.83 × 12,470.68
4. Step 4: Simplify right side
   23,081.05x = 397,213,979.34
5. Step 5: Solve for x
   x = 397,213,979.34/23,081.05
6. Step 6: Final answer
   x = 17,209.53