Finding the Fourth Proportional to 3,401.45, 5,101.23 and 935.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.45 : 5,101.23 = 935.69 : x
2. Step 2: Convert to fraction form
   3,401.45/5,101.23 = 935.69/x
3. Step 3: Cross multiply
   3,401.45x = 5,101.23 × 935.69
4. Step 4: Simplify right side
   3,401.45x = 4,773,144.39
5. Step 5: Solve for x
   x = 4,773,144.39/3,401.45
6. Step 6: Final answer
   x = 1,403.27