Finding the Fourth Proportional to 22,283.83, 30,751.18 and 12,212.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,283.83 : 30,751.18 = 12,212.05 : x
2. Step 2: Convert to fraction form
   22,283.83/30,751.18 = 12,212.05/x
3. Step 3: Cross multiply
   22,283.83x = 30,751.18 × 12,212.05
4. Step 4: Simplify right side
   22,283.83x = 375,534,947.72
5. Step 5: Solve for x
   x = 375,534,947.72/22,283.83
6. Step 6: Final answer
   x = 16,852.35