Finding the Fourth Proportional to 3,937.24, 5,906.20 and 1,015.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.24 : 5,906.20 = 1,015.56 : x
2. Step 2: Convert to fraction form
   3,937.24/5,906.20 = 1,015.56/x
3. Step 3: Cross multiply
   3,937.24x = 5,906.20 × 1,015.56
4. Step 4: Simplify right side
   3,937.24x = 5,998,100.47
5. Step 5: Solve for x
   x = 5,998,100.47/3,937.24
6. Step 6: Final answer
   x = 1,523.43