Finding the Fourth Proportional to 10,908.34, 16,365.16 and 3,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,908.34 : 16,365.16 = 3,513.50 : x
2. Step 2: Convert to fraction form
   10,908.34/16,365.16 = 3,513.50/x
3. Step 3: Cross multiply
   10,908.34x = 16,365.16 × 3,513.50
4. Step 4: Simplify right side
   10,908.34x = 57,498,989.66
5. Step 5: Solve for x
   x = 57,498,989.66/10,908.34
6. Step 6: Final answer
   x = 5,271.10