Finding the Fourth Proportional to 22,116.52, 30,520.98 and 12,045

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.52 : 30,520.98 = 12,045 : x
2. Step 2: Convert to fraction form
   22,116.52/30,520.98 = 12,045/x
3. Step 3: Cross multiply
   22,116.52x = 30,520.98 × 12,045
4. Step 4: Simplify right side
   22,116.52x = 367,625,204.10
5. Step 5: Solve for x
   x = 367,625,204.10/22,116.52
6. Step 6: Final answer
   x = 16,622.20