Finding the Fourth Proportional to 7,665.16, 10,577.67 and 4,307.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,665.16 : 10,577.67 = 4,307.89 : x
2. Step 2: Convert to fraction form
   7,665.16/10,577.67 = 4,307.89/x
3. Step 3: Cross multiply
   7,665.16x = 10,577.67 × 4,307.89
4. Step 4: Simplify right side
   7,665.16x = 45,567,438.82
5. Step 5: Solve for x
   x = 45,567,438.82/7,665.16
6. Step 6: Final answer
   x = 5,944.75