Finding the Fourth Proportional to 22,471.96, 31,010.79 and 12,401.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,471.96 : 31,010.79 = 12,401.35 : x
2. Step 2: Convert to fraction form
   22,471.96/31,010.79 = 12,401.35/x
3. Step 3: Cross multiply
   22,471.96x = 31,010.79 × 12,401.35
4. Step 4: Simplify right side
   22,471.96x = 384,575,660.57
5. Step 5: Solve for x
   x = 384,575,660.57/22,471.96
6. Step 6: Final answer
   x = 17,113.58