Finding the Fourth Proportional to 5,744.37, 7,921.39 and 5,409.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,744.37 : 7,921.39 = 5,409.52 : x
2. Step 2: Convert to fraction form
   5,744.37/7,921.39 = 5,409.52/x
3. Step 3: Cross multiply
   5,744.37x = 7,921.39 × 5,409.52
4. Step 4: Simplify right side
   5,744.37x = 42,850,917.63
5. Step 5: Solve for x
   x = 42,850,917.63/5,744.37
6. Step 6: Final answer
   x = 7,459.64