Finding the Fourth Proportional to 12,227.55, 18,345.26 and 5,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,227.55 : 18,345.26 = 5,566.42 : x
2. Step 2: Convert to fraction form
   12,227.55/18,345.26 = 5,566.42/x
3. Step 3: Cross multiply
   12,227.55x = 18,345.26 × 5,566.42
4. Step 4: Simplify right side
   12,227.55x = 102,117,422.17
5. Step 5: Solve for x
   x = 102,117,422.17/12,227.55
6. Step 6: Final answer
   x = 8,351.42