Finding the Fourth Proportional to 22,181.94, 30,609.69 and 12,108.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,181.94 : 30,609.69 = 12,108.32 : x
2. Step 2: Convert to fraction form
   22,181.94/30,609.69 = 12,108.32/x
3. Step 3: Cross multiply
   22,181.94x = 30,609.69 × 12,108.32
4. Step 4: Simplify right side
   22,181.94x = 370,631,921.62
5. Step 5: Solve for x
   x = 370,631,921.62/22,181.94
6. Step 6: Final answer
   x = 16,708.72