Finding the Fourth Proportional to 3,401.09, 5,100.85 and 936.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.09 : 5,100.85 = 936.11 : x
2. Step 2: Convert to fraction form
   3,401.09/5,100.85 = 936.11/x
3. Step 3: Cross multiply
   3,401.09x = 5,100.85 × 936.11
4. Step 4: Simplify right side
   3,401.09x = 4,774,956.69
5. Step 5: Solve for x
   x = 4,774,956.69/3,401.09
6. Step 6: Final answer
   x = 1,403.95