Finding the Fourth Proportional to 8,348.34, 12,522.78 and 2,505.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,348.34 : 12,522.78 = 2,505.27 : x
2. Step 2: Convert to fraction form
   8,348.34/12,522.78 = 2,505.27/x
3. Step 3: Cross multiply
   8,348.34x = 12,522.78 × 2,505.27
4. Step 4: Simplify right side
   8,348.34x = 31,372,945.05
5. Step 5: Solve for x
   x = 31,372,945.05/8,348.34
6. Step 6: Final answer
   x = 3,757.99