Finding the Fourth Proportional to 7,605.72, 11,399.16 and 4,308.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,605.72 : 11,399.16 = 4,308.82 : x
2. Step 2: Convert to fraction form
   7,605.72/11,399.16 = 4,308.82/x
3. Step 3: Cross multiply
   7,605.72x = 11,399.16 × 4,308.82
4. Step 4: Simplify right side
   7,605.72x = 49,116,928.59
5. Step 5: Solve for x
   x = 49,116,928.59/7,605.72
6. Step 6: Final answer
   x = 6,457.89