Finding the Fourth Proportional to 22,111.15, 30,514.02 and 12,039.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.15 : 30,514.02 = 12,039.76 : x
2. Step 2: Convert to fraction form
   22,111.15/30,514.02 = 12,039.76/x
3. Step 3: Cross multiply
   22,111.15x = 30,514.02 × 12,039.76
4. Step 4: Simplify right side
   22,111.15x = 367,381,324.87
5. Step 5: Solve for x
   x = 367,381,324.87/22,111.15
6. Step 6: Final answer
   x = 16,615.21