Finding the Fourth Proportional to 22,191.18, 30,624.06 and 12,119.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,191.18 : 30,624.06 = 12,119.91 : x
2. Step 2: Convert to fraction form
   22,191.18/30,624.06 = 12,119.91/x
3. Step 3: Cross multiply
   22,191.18x = 30,624.06 × 12,119.91
4. Step 4: Simplify right side
   22,191.18x = 371,160,851.03
5. Step 5: Solve for x
   x = 371,160,851.03/22,191.18
6. Step 6: Final answer
   x = 16,725.60