Finding the Fourth Proportional to 11,613.50, 17,420.21 and 3,293.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,613.50 : 17,420.21 = 3,293.52 : x
2. Step 2: Convert to fraction form
   11,613.50/17,420.21 = 3,293.52/x
3. Step 3: Cross multiply
   11,613.50x = 17,420.21 × 3,293.52
4. Step 4: Simplify right side
   11,613.50x = 57,373,810.04
5. Step 5: Solve for x
   x = 57,373,810.04/11,613.50
6. Step 6: Final answer
   x = 4,940.27