Finding the Fourth Proportional to 12,191.42, 18,275.22 and 5,951.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,191.42 : 18,275.22 = 5,951.18 : x
2. Step 2: Convert to fraction form
   12,191.42/18,275.22 = 5,951.18/x
3. Step 3: Cross multiply
   12,191.42x = 18,275.22 × 5,951.18
4. Step 4: Simplify right side
   12,191.42x = 108,759,169.45
5. Step 5: Solve for x
   x = 108,759,169.45/12,191.42
6. Step 6: Final answer
   x = 8,920.96