Finding the Fourth Proportional to 8,350.72, 12,522.34 and 2,506.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,350.72 : 12,522.34 = 2,506.20 : x
2. Step 2: Convert to fraction form
   8,350.72/12,522.34 = 2,506.20/x
3. Step 3: Cross multiply
   8,350.72x = 12,522.34 × 2,506.20
4. Step 4: Simplify right side
   8,350.72x = 31,383,488.51
5. Step 5: Solve for x
   x = 31,383,488.51/8,350.72
6. Step 6: Final answer
   x = 3,758.18