Finding the Fourth Proportional to 5,608.52, 7,720.34 and 5,404.44

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608.52 : 7,720.34 = 5,404.44 : x
2. Step 2: Convert to fraction form
   5,608.52/7,720.34 = 5,404.44/x
3. Step 3: Cross multiply
   5,608.52x = 7,720.34 × 5,404.44
4. Step 4: Simplify right side
   5,608.52x = 41,724,114.31
5. Step 5: Solve for x
   x = 41,724,114.31/5,608.52
6. Step 6: Final answer
   x = 7,439.42