Finding the Fourth Proportional to 6,131.70, 8,462.03 and 3,613.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.70 : 8,462.03 = 3,613.92 : x
2. Step 2: Convert to fraction form
   6,131.70/8,462.03 = 3,613.92/x
3. Step 3: Cross multiply
   6,131.70x = 8,462.03 × 3,613.92
4. Step 4: Simplify right side
   6,131.70x = 30,581,083.62
5. Step 5: Solve for x
   x = 30,581,083.62/6,131.70
6. Step 6: Final answer
   x = 4,987.37