Finding the Fourth Proportional to 6,240.41, 8,613.56 and 3,690.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,240.41 : 8,613.56 = 3,690.53 : x
2. Step 2: Convert to fraction form
   6,240.41/8,613.56 = 3,690.53/x
3. Step 3: Cross multiply
   6,240.41x = 8,613.56 × 3,690.53
4. Step 4: Simplify right side
   6,240.41x = 31,788,540.07
5. Step 5: Solve for x
   x = 31,788,540.07/6,240.41
6. Step 6: Final answer
   x = 5,093.99