Finding the Fourth Proportional to 8,665.37, 11,958.24 and 4,686.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665.37 : 11,958.24 = 4,686.51 : x
2. Step 2: Convert to fraction form
   8,665.37/11,958.24 = 4,686.51/x
3. Step 3: Cross multiply
   8,665.37x = 11,958.24 × 4,686.51
4. Step 4: Simplify right side
   8,665.37x = 56,042,411.34
5. Step 5: Solve for x
   x = 56,042,411.34/8,665.37
6. Step 6: Final answer
   x = 6,467.40