Finding the Fourth Proportional to 12,404.35, 18,608.57 and 5,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.35 : 18,608.57 = 5,747.50 : x
2. Step 2: Convert to fraction form
   12,404.35/18,608.57 = 5,747.50/x
3. Step 3: Cross multiply
   12,404.35x = 18,608.57 × 5,747.50
4. Step 4: Simplify right side
   12,404.35x = 106,952,756.08
5. Step 5: Solve for x
   x = 106,952,756.08/12,404.35
6. Step 6: Final answer
   x = 8,622.20