Finding the Fourth Proportional to 12,324.37, 18,498.89 and 5,755.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,324.37 : 18,498.89 = 5,755.18 : x
2. Step 2: Convert to fraction form
   12,324.37/18,498.89 = 5,755.18/x
3. Step 3: Cross multiply
   12,324.37x = 18,498.89 × 5,755.18
4. Step 4: Simplify right side
   12,324.37x = 106,464,441.75
5. Step 5: Solve for x
   x = 106,464,441.75/12,324.37
6. Step 6: Final answer
   x = 8,638.53