Finding the Fourth Proportional to 3,776.69, 5,659.27 and 2,539.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.69 : 5,659.27 = 2,539.53 : x
2. Step 2: Convert to fraction form
   3,776.69/5,659.27 = 2,539.53/x
3. Step 3: Cross multiply
   3,776.69x = 5,659.27 × 2,539.53
4. Step 4: Simplify right side
   3,776.69x = 14,371,879.59
5. Step 5: Solve for x
   x = 14,371,879.59/3,776.69
6. Step 6: Final answer
   x = 3,805.41