Finding the Fourth Proportional to 22,039.56, 30,414.42 and 11,967.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,039.56 : 30,414.42 = 11,967.81 : x
2. Step 2: Convert to fraction form
   22,039.56/30,414.42 = 11,967.81/x
3. Step 3: Cross multiply
   22,039.56x = 30,414.42 × 11,967.81
4. Step 4: Simplify right side
   22,039.56x = 363,993,999.82
5. Step 5: Solve for x
   x = 363,993,999.82/22,039.56
6. Step 6: Final answer
   x = 16,515.48