Finding the Fourth Proportional to 22,112.92, 30,517.98 and 16,514.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,112.92 : 30,517.98 = 16,514.20 : x
2. Step 2: Convert to fraction form
   22,112.92/30,517.98 = 16,514.20/x
3. Step 3: Cross multiply
   22,112.92x = 30,517.98 × 16,514.20
4. Step 4: Simplify right side
   22,112.92x = 503,980,025.32
5. Step 5: Solve for x
   x = 503,980,025.32/22,112.92
6. Step 6: Final answer
   x = 22,791.20