Finding the Fourth Proportional to 11,311.04, 16,968.72 and 3,519.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,311.04 : 16,968.72 = 3,519.56 : x
2. Step 2: Convert to fraction form
   11,311.04/16,968.72 = 3,519.56/x
3. Step 3: Cross multiply
   11,311.04x = 16,968.72 × 3,519.56
4. Step 4: Simplify right side
   11,311.04x = 59,722,428.16
5. Step 5: Solve for x
   x = 59,722,428.16/11,311.04
6. Step 6: Final answer
   x = 5,280.01