Finding the Fourth Proportional to 11,733.78, 16,179.33 and 7,479.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,733.78 : 16,179.33 = 7,479.15 : x
2. Step 2: Convert to fraction form
   11,733.78/16,179.33 = 7,479.15/x
3. Step 3: Cross multiply
   11,733.78x = 16,179.33 × 7,479.15
4. Step 4: Simplify right side
   11,733.78x = 121,007,635.97
5. Step 5: Solve for x
   x = 121,007,635.97/11,733.78
6. Step 6: Final answer
   x = 10,312.76