Finding the Fourth Proportional to 22,179.32, 30,606.16 and 12,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,179.32 : 30,606.16 = 12,105.76 : x
2. Step 2: Convert to fraction form
   22,179.32/30,606.16 = 12,105.76/x
3. Step 3: Cross multiply
   22,179.32x = 30,606.16 × 12,105.76
4. Step 4: Simplify right side
   22,179.32x = 370,510,827.48
5. Step 5: Solve for x
   x = 370,510,827.48/22,179.32
6. Step 6: Final answer
   x = 16,705.24