Finding the Fourth Proportional to 3,699.15, 5,104.83 and 2,020.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.15 : 5,104.83 = 2,020.59 : x
2. Step 2: Convert to fraction form
   3,699.15/5,104.83 = 2,020.59/x
3. Step 3: Cross multiply
   3,699.15x = 5,104.83 × 2,020.59
4. Step 4: Simplify right side
   3,699.15x = 10,314,768.45
5. Step 5: Solve for x
   x = 10,314,768.45/3,699.15
6. Step 6: Final answer
   x = 2,788.42