Finding the Fourth Proportional to 11,665.92, 16,099.02 and 7,476.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.92 : 16,099.02 = 7,476.60 : x
2. Step 2: Convert to fraction form
   11,665.92/16,099.02 = 7,476.60/x
3. Step 3: Cross multiply
   11,665.92x = 16,099.02 × 7,476.60
4. Step 4: Simplify right side
   11,665.92x = 120,365,932.93
5. Step 5: Solve for x
   x = 120,365,932.93/11,665.92
6. Step 6: Final answer
   x = 10,317.74