Finding the Fourth Proportional to 2,833.15, 3,908.59 and 2,045.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,833.15 : 3,908.59 = 2,045.47 : x
2. Step 2: Convert to fraction form
   2,833.15/3,908.59 = 2,045.47/x
3. Step 3: Cross multiply
   2,833.15x = 3,908.59 × 2,045.47
4. Step 4: Simplify right side
   2,833.15x = 7,994,903.59
5. Step 5: Solve for x
   x = 7,994,903.59/2,833.15
6. Step 6: Final answer
   x = 2,821.91