Finding the Fourth Proportional to 3,513.29, 5,276.20 and 3,372.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.29 : 5,276.20 = 3,372.18 : x
2. Step 2: Convert to fraction form
   3,513.29/5,276.20 = 3,372.18/x
3. Step 3: Cross multiply
   3,513.29x = 5,276.20 × 3,372.18
4. Step 4: Simplify right side
   3,513.29x = 17,792,296.12
5. Step 5: Solve for x
   x = 17,792,296.12/3,513.29
6. Step 6: Final answer
   x = 5,064.28