Finding the Fourth Proportional to 3,835.81, 5,280.62 and 3,659.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,835.81 : 5,280.62 = 3,659.48 : x
2. Step 2: Convert to fraction form
   3,835.81/5,280.62 = 3,659.48/x
3. Step 3: Cross multiply
   3,835.81x = 5,280.62 × 3,659.48
4. Step 4: Simplify right side
   3,835.81x = 19,324,308.67
5. Step 5: Solve for x
   x = 19,324,308.67/3,835.81
6. Step 6: Final answer
   x = 5,037.87