Finding the Fourth Proportional to 7,542.21, 10,408.52 and 5,650.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,542.21 : 10,408.52 = 5,650.45 : x
2. Step 2: Convert to fraction form
   7,542.21/10,408.52 = 5,650.45/x
3. Step 3: Cross multiply
   7,542.21x = 10,408.52 × 5,650.45
4. Step 4: Simplify right side
   7,542.21x = 58,812,821.83
5. Step 5: Solve for x
   x = 58,812,821.83/7,542.21
6. Step 6: Final answer
   x = 7,797.82