Finding the Fourth Proportional to 4,131.82, 6,208.49 and 3,861.86

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131.82 : 6,208.49 = 3,861.86 : x
2. Step 2: Convert to fraction form
   4,131.82/6,208.49 = 3,861.86/x
3. Step 3: Cross multiply
   4,131.82x = 6,208.49 × 3,861.86
4. Step 4: Simplify right side
   4,131.82x = 23,976,299.88
5. Step 5: Solve for x
   x = 23,976,299.88/4,131.82
6. Step 6: Final answer
   x = 5,802.85