Finding the Fourth Proportional to 12,245.56, 18,365.37 and 5,665.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,245.56 : 18,365.37 = 5,665.47 : x
2. Step 2: Convert to fraction form
   12,245.56/18,365.37 = 5,665.47/x
3. Step 3: Cross multiply
   12,245.56x = 18,365.37 × 5,665.47
4. Step 4: Simplify right side
   12,245.56x = 104,048,360.95
5. Step 5: Solve for x
   x = 104,048,360.95/12,245.56
6. Step 6: Final answer
   x = 8,496.82