Finding the Fourth Proportional to 5,392.37, 7,442.70 and 3,155.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,392.37 : 7,442.70 = 3,155.27 : x
2. Step 2: Convert to fraction form
   5,392.37/7,442.70 = 3,155.27/x
3. Step 3: Cross multiply
   5,392.37x = 7,442.70 × 3,155.27
4. Step 4: Simplify right side
   5,392.37x = 23,483,728.03
5. Step 5: Solve for x
   x = 23,483,728.03/5,392.37
6. Step 6: Final answer
   x = 4,354.99