Finding the Fourth Proportional to 22,180.50, 30,609.18 and 12,109.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,180.50 : 30,609.18 = 12,109.14 : x
2. Step 2: Convert to fraction form
   22,180.50/30,609.18 = 12,109.14/x
3. Step 3: Cross multiply
   22,180.50x = 30,609.18 × 12,109.14
4. Step 4: Simplify right side
   22,180.50x = 370,650,845.91
5. Step 5: Solve for x
   x = 370,650,845.91/22,180.50
6. Step 6: Final answer
   x = 16,710.66