Finding the Fourth Proportional to 3,550.59, 4,900.86 and 2,059.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.59 : 4,900.86 = 2,059.20 : x
2. Step 2: Convert to fraction form
   3,550.59/4,900.86 = 2,059.20/x
3. Step 3: Cross multiply
   3,550.59x = 4,900.86 × 2,059.20
4. Step 4: Simplify right side
   3,550.59x = 10,091,850.91
5. Step 5: Solve for x
   x = 10,091,850.91/3,550.59
6. Step 6: Final answer
   x = 2,842.30