Finding the Fourth Proportional to 5,399.87, 8,103.34 and 1,937.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.87 : 8,103.34 = 1,937.12 : x
2. Step 2: Convert to fraction form
   5,399.87/8,103.34 = 1,937.12/x
3. Step 3: Cross multiply
   5,399.87x = 8,103.34 × 1,937.12
4. Step 4: Simplify right side
   5,399.87x = 15,697,103.89
5. Step 5: Solve for x
   x = 15,697,103.89/5,399.87
6. Step 6: Final answer
   x = 2,906.94