Finding the Fourth Proportional to 3,613.53, 5,012.18 and 3,517.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.53 : 5,012.18 = 3,517.52 : x
2. Step 2: Convert to fraction form
   3,613.53/5,012.18 = 3,517.52/x
3. Step 3: Cross multiply
   3,613.53x = 5,012.18 × 3,517.52
4. Step 4: Simplify right side
   3,613.53x = 17,630,400.75
5. Step 5: Solve for x
   x = 17,630,400.75/3,613.53
6. Step 6: Final answer
   x = 4,879.00