Finding the Fourth Proportional to 3,401.05, 5,100.98 and 935.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.05 : 5,100.98 = 935.28 : x
2. Step 2: Convert to fraction form
   3,401.05/5,100.98 = 935.28/x
3. Step 3: Cross multiply
   3,401.05x = 5,100.98 × 935.28
4. Step 4: Simplify right side
   3,401.05x = 4,770,844.57
5. Step 5: Solve for x
   x = 4,770,844.57/3,401.05
6. Step 6: Final answer
   x = 1,402.76