Finding the Fourth Proportional to 23,081.55, 31,852.56 and 12,471.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.55 : 31,852.56 = 12,471.18 : x
2. Step 2: Convert to fraction form
   23,081.55/31,852.56 = 12,471.18/x
3. Step 3: Cross multiply
   23,081.55x = 31,852.56 × 12,471.18
4. Step 4: Simplify right side
   23,081.55x = 397,239,009.22
5. Step 5: Solve for x
   x = 397,239,009.22/23,081.55
6. Step 6: Final answer
   x = 17,210.24