Finding the Fourth Proportional to 3,934.80, 5,902.17 and 1,013.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,934.80 : 5,902.17 = 1,013.09 : x
2. Step 2: Convert to fraction form
   3,934.80/5,902.17 = 1,013.09/x
3. Step 3: Cross multiply
   3,934.80x = 5,902.17 × 1,013.09
4. Step 4: Simplify right side
   3,934.80x = 5,979,399.89
5. Step 5: Solve for x
   x = 5,979,399.89/3,934.80
6. Step 6: Final answer
   x = 1,519.62