Finding the Fourth Proportional to 3,401.30, 5,101.35 and 935.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.30 : 5,101.35 = 935.53 : x
2. Step 2: Convert to fraction form
   3,401.30/5,101.35 = 935.53/x
3. Step 3: Cross multiply
   3,401.30x = 5,101.35 × 935.53
4. Step 4: Simplify right side
   3,401.30x = 4,772,456.72
5. Step 5: Solve for x
   x = 4,772,456.72/3,401.30
6. Step 6: Final answer
   x = 1,403.13