Finding the Fourth Proportional to 22,182.91, 30,612.24 and 12,111.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,182.91 : 30,612.24 = 12,111.21 : x
2. Step 2: Convert to fraction form
   22,182.91/30,612.24 = 12,111.21/x
3. Step 3: Cross multiply
   22,182.91x = 30,612.24 × 12,111.21
4. Step 4: Simplify right side
   22,182.91x = 370,751,267.21
5. Step 5: Solve for x
   x = 370,751,267.21/22,182.91
6. Step 6: Final answer
   x = 16,713.37