Finding the Fourth Proportional to 3,699.14, 5,104.85 and 2,020.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.14 : 5,104.85 = 2,020.52 : x
2. Step 2: Convert to fraction form
   3,699.14/5,104.85 = 2,020.52/x
3. Step 3: Cross multiply
   3,699.14x = 5,104.85 × 2,020.52
4. Step 4: Simplify right side
   3,699.14x = 10,314,454.18
5. Step 5: Solve for x
   x = 10,314,454.18/3,699.14
6. Step 6: Final answer
   x = 2,788.34