Finding the Fourth Proportional to 5,362.83, 7,399.42 and 4,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,362.83 : 7,399.42 = 4,105.31 : x
2. Step 2: Convert to fraction form
   5,362.83/7,399.42 = 4,105.31/x
3. Step 3: Cross multiply
   5,362.83x = 7,399.42 × 4,105.31
4. Step 4: Simplify right side
   5,362.83x = 30,376,865.66
5. Step 5: Solve for x
   x = 30,376,865.66/5,362.83
6. Step 6: Final answer
   x = 5,664.33