Finding the Fourth Proportional to 3,401.92, 5,102.29 and 936.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.92 : 5,102.29 = 936.15 : x
2. Step 2: Convert to fraction form
   3,401.92/5,102.29 = 936.15/x
3. Step 3: Cross multiply
   3,401.92x = 5,102.29 × 936.15
4. Step 4: Simplify right side
   3,401.92x = 4,776,508.78
5. Step 5: Solve for x
   x = 4,776,508.78/3,401.92
6. Step 6: Final answer
   x = 1,404.06