Finding the Fourth Proportional to 3,727.59, 5,150.30 and 3,105.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.59 : 5,150.30 = 3,105.51 : x
2. Step 2: Convert to fraction form
   3,727.59/5,150.30 = 3,105.51/x
3. Step 3: Cross multiply
   3,727.59x = 5,150.30 × 3,105.51
4. Step 4: Simplify right side
   3,727.59x = 15,994,292.63
5. Step 5: Solve for x
   x = 15,994,292.63/3,727.59
6. Step 6: Final answer
   x = 4,290.79