Finding the Fourth Proportional to 3,751.29, 5,161.83 and 3,637.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751.29 : 5,161.83 = 3,637.15 : x
2. Step 2: Convert to fraction form
   3,751.29/5,161.83 = 3,637.15/x
3. Step 3: Cross multiply
   3,751.29x = 5,161.83 × 3,637.15
4. Step 4: Simplify right side
   3,751.29x = 18,774,370.08
5. Step 5: Solve for x
   x = 18,774,370.08/3,751.29
6. Step 6: Final answer
   x = 5,004.78