Finding the Fourth Proportional to 22,203.92, 30,641.52 and 12,132.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,203.92 : 30,641.52 = 12,132.56 : x
2. Step 2: Convert to fraction form
   22,203.92/30,641.52 = 12,132.56/x
3. Step 3: Cross multiply
   22,203.92x = 30,641.52 × 12,132.56
4. Step 4: Simplify right side
   22,203.92x = 371,760,079.89
5. Step 5: Solve for x
   x = 371,760,079.89/22,203.92
6. Step 6: Final answer
   x = 16,742.99