Finding the Fourth Proportional to 6,131.53, 8,461.41 and 3,613.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.53 : 8,461.41 = 3,613.24 : x
2. Step 2: Convert to fraction form
   6,131.53/8,461.41 = 3,613.24/x
3. Step 3: Cross multiply
   6,131.53x = 8,461.41 × 3,613.24
4. Step 4: Simplify right side
   6,131.53x = 30,573,062.76
5. Step 5: Solve for x
   x = 30,573,062.76/6,131.53
6. Step 6: Final answer
   x = 4,986.21