Finding the Fourth Proportional to 7,665.29, 11,492.10 and 3,965.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,665.29 : 11,492.10 = 3,965.15 : x
2. Step 2: Convert to fraction form
   7,665.29/11,492.10 = 3,965.15/x
3. Step 3: Cross multiply
   7,665.29x = 11,492.10 × 3,965.15
4. Step 4: Simplify right side
   7,665.29x = 45,567,900.32
5. Step 5: Solve for x
   x = 45,567,900.32/7,665.29
6. Step 6: Final answer
   x = 5,944.71