Finding the Fourth Proportional to 22,181.91, 30,610.86 and 12,110.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,181.91 : 30,610.86 = 12,110.21 : x
2. Step 2: Convert to fraction form
   22,181.91/30,610.86 = 12,110.21/x
3. Step 3: Cross multiply
   22,181.91x = 30,610.86 × 12,110.21
4. Step 4: Simplify right side
   22,181.91x = 370,703,789.83
5. Step 5: Solve for x
   x = 370,703,789.83/22,181.91
6. Step 6: Final answer
   x = 16,711.99