Finding the Fourth Proportional to 7,550.72, 11,311.34 and 4,945.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,550.72 : 11,311.34 = 4,945.76 : x
2. Step 2: Convert to fraction form
   7,550.72/11,311.34 = 4,945.76/x
3. Step 3: Cross multiply
   7,550.72x = 11,311.34 × 4,945.76
4. Step 4: Simplify right side
   7,550.72x = 55,943,172.92
5. Step 5: Solve for x
   x = 55,943,172.92/7,550.72
6. Step 6: Final answer
   x = 7,408.99