Finding the Fourth Proportional to 2,401.33, 3,315.47 and 1,505.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.33 : 3,315.47 = 1,505.42 : x
2. Step 2: Convert to fraction form
   2,401.33/3,315.47 = 1,505.42/x
3. Step 3: Cross multiply
   2,401.33x = 3,315.47 × 1,505.42
4. Step 4: Simplify right side
   2,401.33x = 4,991,174.85
5. Step 5: Solve for x
   x = 4,991,174.85/2,401.33
6. Step 6: Final answer
   x = 2,078.50