Finding the Fourth Proportional to 3,708.50, 5,117.90 and 2,030.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,708.50 : 5,117.90 = 2,030.09 : x
2. Step 2: Convert to fraction form
   3,708.50/5,117.90 = 2,030.09/x
3. Step 3: Cross multiply
   3,708.50x = 5,117.90 × 2,030.09
4. Step 4: Simplify right side
   3,708.50x = 10,389,797.61
5. Step 5: Solve for x
   x = 10,389,797.61/3,708.50
6. Step 6: Final answer
   x = 2,801.62