Finding the Fourth Proportional to 22,081.62, 30,471.06 and 12,009.85

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081.62 : 30,471.06 = 12,009.85 : x
2. Step 2: Convert to fraction form
   22,081.62/30,471.06 = 12,009.85/x
3. Step 3: Cross multiply
   22,081.62x = 30,471.06 × 12,009.85
4. Step 4: Simplify right side
   22,081.62x = 365,952,859.94
5. Step 5: Solve for x
   x = 365,952,859.94/22,081.62
6. Step 6: Final answer
   x = 16,572.74