Finding the Fourth Proportional to 22,363.72, 30,861.32 and 12,292.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,363.72 : 30,861.32 = 12,292.16 : x
2. Step 2: Convert to fraction form
   22,363.72/30,861.32 = 12,292.16/x
3. Step 3: Cross multiply
   22,363.72x = 30,861.32 × 12,292.16
4. Step 4: Simplify right side
   22,363.72x = 379,352,067.48
5. Step 5: Solve for x
   x = 379,352,067.48/22,363.72
6. Step 6: Final answer
   x = 16,962.84