Finding the Fourth Proportional to 5,474.37, 7,557.05 and 3,993.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,474.37 : 7,557.05 = 3,993.59 : x
2. Step 2: Convert to fraction form
   5,474.37/7,557.05 = 3,993.59/x
3. Step 3: Cross multiply
   5,474.37x = 7,557.05 × 3,993.59
4. Step 4: Simplify right side
   5,474.37x = 30,179,701.56
5. Step 5: Solve for x
   x = 30,179,701.56/5,474.37
6. Step 6: Final answer
   x = 5,512.91