Finding the Fourth Proportional to 10,908.20, 16,359.71 and 3,512.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,908.20 : 16,359.71 = 3,512.73 : x
2. Step 2: Convert to fraction form
   10,908.20/16,359.71 = 3,512.73/x
3. Step 3: Cross multiply
   10,908.20x = 16,359.71 × 3,512.73
4. Step 4: Simplify right side
   10,908.20x = 57,467,287.89
5. Step 5: Solve for x
   x = 57,467,287.89/10,908.20
6. Step 6: Final answer
   x = 5,268.26