Finding the Fourth Proportional to 23,081.24, 31,852.12 and 12,470.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.24 : 31,852.12 = 12,470.90 : x
2. Step 2: Convert to fraction form
   23,081.24/31,852.12 = 12,470.90/x
3. Step 3: Cross multiply
   23,081.24x = 31,852.12 × 12,470.90
4. Step 4: Simplify right side
   23,081.24x = 397,224,603.31
5. Step 5: Solve for x
   x = 397,224,603.31/23,081.24
6. Step 6: Final answer
   x = 17,209.85