Finding the Fourth Proportional to 4,681.50, 6,457.83 and 3,086.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,681.50 : 6,457.83 = 3,086.52 : x
2. Step 2: Convert to fraction form
   4,681.50/6,457.83 = 3,086.52/x
3. Step 3: Cross multiply
   4,681.50x = 6,457.83 × 3,086.52
4. Step 4: Simplify right side
   4,681.50x = 19,932,221.45
5. Step 5: Solve for x
   x = 19,932,221.45/4,681.50
6. Step 6: Final answer
   x = 4,257.66