Finding the Fourth Proportional to 11,670.75, 16,105.64 and 7,479.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,670.75 : 16,105.64 = 7,479.27 : x
2. Step 2: Convert to fraction form
   11,670.75/16,105.64 = 7,479.27/x
3. Step 3: Cross multiply
   11,670.75x = 16,105.64 × 7,479.27
4. Step 4: Simplify right side
   11,670.75x = 120,458,392.69
5. Step 5: Solve for x
   x = 120,458,392.69/11,670.75
6. Step 6: Final answer
   x = 10,321.39