Finding the Fourth Proportional to 3,789.51, 5,687.91 and 3,550.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.51 : 5,687.91 = 3,550.77 : x
2. Step 2: Convert to fraction form
   3,789.51/5,687.91 = 3,550.77/x
3. Step 3: Cross multiply
   3,789.51x = 5,687.91 × 3,550.77
4. Step 4: Simplify right side
   3,789.51x = 20,196,460.19
5. Step 5: Solve for x
   x = 20,196,460.19/3,789.51
6. Step 6: Final answer
   x = 5,329.57