Finding the Fourth Proportional to 11,650.64, 17,469.20 and 7,957.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,650.64 : 17,469.20 = 7,957.33 : x
2. Step 2: Convert to fraction form
   11,650.64/17,469.20 = 7,957.33/x
3. Step 3: Cross multiply
   11,650.64x = 17,469.20 × 7,957.33
4. Step 4: Simplify right side
   11,650.64x = 139,008,165.46
5. Step 5: Solve for x
   x = 139,008,165.46/11,650.64
6. Step 6: Final answer
   x = 11,931.38