Finding the Fourth Proportional to 7,664.89, 10,577.31 and 4,308.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664.89 : 10,577.31 = 4,308.07 : x
2. Step 2: Convert to fraction form
   7,664.89/10,577.31 = 4,308.07/x
3. Step 3: Cross multiply
   7,664.89x = 10,577.31 × 4,308.07
4. Step 4: Simplify right side
   7,664.89x = 45,567,791.89
5. Step 5: Solve for x
   x = 45,567,791.89/7,664.89
6. Step 6: Final answer
   x = 5,945.00