Finding the Fourth Proportional to 3,859.68, 5,796.35 and 3,550.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859.68 : 5,796.35 = 3,550.87 : x
2. Step 2: Convert to fraction form
   3,859.68/5,796.35 = 3,550.87/x
3. Step 3: Cross multiply
   3,859.68x = 5,796.35 × 3,550.87
4. Step 4: Simplify right side
   3,859.68x = 20,582,085.32
5. Step 5: Solve for x
   x = 20,582,085.32/3,859.68
6. Step 6: Final answer
   x = 5,332.59