Finding the Fourth Proportional to 10,408.25, 15,612.51 and 3,388.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,408.25 : 15,612.51 = 3,388.30 : x
2. Step 2: Convert to fraction form
   10,408.25/15,612.51 = 3,388.30/x
3. Step 3: Cross multiply
   10,408.25x = 15,612.51 × 3,388.30
4. Step 4: Simplify right side
   10,408.25x = 52,899,789.57
5. Step 5: Solve for x
   x = 52,899,789.57/10,408.25
6. Step 6: Final answer
   x = 5,082.49