Finding the Fourth Proportional to 2,825.15, 3,894.62 and 1,983.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.15 : 3,894.62 = 1,983.29 : x
2. Step 2: Convert to fraction form
   2,825.15/3,894.62 = 1,983.29/x
3. Step 3: Cross multiply
   2,825.15x = 3,894.62 × 1,983.29
4. Step 4: Simplify right side
   2,825.15x = 7,724,131.51
5. Step 5: Solve for x
   x = 7,724,131.51/2,825.15
6. Step 6: Final answer
   x = 2,734.07