Finding the Fourth Proportional to 2,801.36, 4,196.57 and 2,059.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.36 : 4,196.57 = 2,059.61 : x
2. Step 2: Convert to fraction form
   2,801.36/4,196.57 = 2,059.61/x
3. Step 3: Cross multiply
   2,801.36x = 4,196.57 × 2,059.61
4. Step 4: Simplify right side
   2,801.36x = 8,643,297.54
5. Step 5: Solve for x
   x = 8,643,297.54/2,801.36
6. Step 6: Final answer
   x = 3,085.39