Finding the Fourth Proportional to 12,314.27, 18,466.61 and 3,992.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314.27 : 18,466.61 = 3,992.28 : x
2. Step 2: Convert to fraction form
   12,314.27/18,466.61 = 3,992.28/x
3. Step 3: Cross multiply
   12,314.27x = 18,466.61 × 3,992.28
4. Step 4: Simplify right side
   12,314.27x = 73,723,877.77
5. Step 5: Solve for x
   x = 73,723,877.77/12,314.27
6. Step 6: Final answer
   x = 5,986.87