Finding the Fourth Proportional to 22,111.92, 30,516.98 and 13,159.44

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.92 : 30,516.98 = 13,159.44 : x
2. Step 2: Convert to fraction form
   22,111.92/30,516.98 = 13,159.44/x
3. Step 3: Cross multiply
   22,111.92x = 30,516.98 × 13,159.44
4. Step 4: Simplify right side
   22,111.92x = 401,586,301.49
5. Step 5: Solve for x
   x = 401,586,301.49/22,111.92
6. Step 6: Final answer
   x = 18,161.53