Finding the Fourth Proportional to 5,550.42, 7,650.42 and 3,933.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.42 : 7,650.42 = 3,933.24 : x
2. Step 2: Convert to fraction form
   5,550.42/7,650.42 = 3,933.24/x
3. Step 3: Cross multiply
   5,550.42x = 7,650.42 × 3,933.24
4. Step 4: Simplify right side
   5,550.42x = 30,090,937.96
5. Step 5: Solve for x
   x = 30,090,937.96/5,550.42
6. Step 6: Final answer
   x = 5,421.38