Finding the Fourth Proportional to 3,708.96, 5,089.85 and 3,500.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,708.96 : 5,089.85 = 3,500.28 : x
2. Step 2: Convert to fraction form
   3,708.96/5,089.85 = 3,500.28/x
3. Step 3: Cross multiply
   3,708.96x = 5,089.85 × 3,500.28
4. Step 4: Simplify right side
   3,708.96x = 17,815,900.16
5. Step 5: Solve for x
   x = 17,815,900.16/3,708.96
6. Step 6: Final answer
   x = 4,803.48