Finding the Fourth Proportional to 10,911.12, 16,369.56 and 3,516

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911.12 : 16,369.56 = 3,516 : x
2. Step 2: Convert to fraction form
   10,911.12/16,369.56 = 3,516/x
3. Step 3: Cross multiply
   10,911.12x = 16,369.56 × 3,516
4. Step 4: Simplify right side
   10,911.12x = 57,555,372.96
5. Step 5: Solve for x
   x = 57,555,372.96/10,911.12
6. Step 6: Final answer
   x = 5,274.93