Finding the Fourth Proportional to 22,641.96, 31,249.62 and 13,082.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,641.96 : 31,249.62 = 13,082.34 : x
2. Step 2: Convert to fraction form
   22,641.96/31,249.62 = 13,082.34/x
3. Step 3: Cross multiply
   22,641.96x = 31,249.62 × 13,082.34
4. Step 4: Simplify right side
   22,641.96x = 408,818,153.71
5. Step 5: Solve for x
   x = 408,818,153.71/22,641.96
6. Step 6: Final answer
   x = 18,055.78