Finding the Fourth Proportional to 22,092.39, 30,487.57 and 12,020.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,092.39 : 30,487.57 = 12,020.83 : x
2. Step 2: Convert to fraction form
   22,092.39/30,487.57 = 12,020.83/x
3. Step 3: Cross multiply
   22,092.39x = 30,487.57 × 12,020.83
4. Step 4: Simplify right side
   22,092.39x = 366,485,789.81
5. Step 5: Solve for x
   x = 366,485,789.81/22,092.39
6. Step 6: Final answer
   x = 16,588.78