Finding the Fourth Proportional to 22,061.10, 30,444.22 and 11,989.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.10 : 30,444.22 = 11,989.36 : x
2. Step 2: Convert to fraction form
   22,061.10/30,444.22 = 11,989.36/x
3. Step 3: Cross multiply
   22,061.10x = 30,444.22 × 11,989.36
4. Step 4: Simplify right side
   22,061.10x = 365,006,713.50
5. Step 5: Solve for x
   x = 365,006,713.50/22,061.10
6. Step 6: Final answer
   x = 16,545.26