Finding the Fourth Proportional to 22,192.30, 30,622.62 and 12,633.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,192.30 : 30,622.62 = 12,633.42 : x
2. Step 2: Convert to fraction form
   22,192.30/30,622.62 = 12,633.42/x
3. Step 3: Cross multiply
   22,192.30x = 30,622.62 × 12,633.42
4. Step 4: Simplify right side
   22,192.30x = 386,868,419.96
5. Step 5: Solve for x
   x = 386,868,419.96/22,192.30
6. Step 6: Final answer
   x = 17,432.55