Finding the Fourth Proportional to 12,245.25, 18,369.18 and 3,922.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,245.25 : 18,369.18 = 3,922.29 : x
2. Step 2: Convert to fraction form
   12,245.25/18,369.18 = 3,922.29/x
3. Step 3: Cross multiply
   12,245.25x = 18,369.18 × 3,922.29
4. Step 4: Simplify right side
   12,245.25x = 72,049,251.02
5. Step 5: Solve for x
   x = 72,049,251.02/12,245.25
6. Step 6: Final answer
   x = 5,883.85