Finding the Fourth Proportional to 12,169.02, 18,255.33 and 3,847.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,169.02 : 18,255.33 = 3,847.15 : x
2. Step 2: Convert to fraction form
   12,169.02/18,255.33 = 3,847.15/x
3. Step 3: Cross multiply
   12,169.02x = 18,255.33 × 3,847.15
4. Step 4: Simplify right side
   12,169.02x = 70,230,882.30
5. Step 5: Solve for x
   x = 70,230,882.30/12,169.02
6. Step 6: Final answer
   x = 5,771.28