Finding the Fourth Proportional to 23,081.67, 31,852.69 and 12,471.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.67 : 31,852.69 = 12,471.30 : x
2. Step 2: Convert to fraction form
   23,081.67/31,852.69 = 12,471.30/x
3. Step 3: Cross multiply
   23,081.67x = 31,852.69 × 12,471.30
4. Step 4: Simplify right side
   23,081.67x = 397,244,491.77
5. Step 5: Solve for x
   x = 397,244,491.77/23,081.67
6. Step 6: Final answer
   x = 17,210.39