Finding the Fourth Proportional to 2,047.79, 2,825.69 and 1,163.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.79 : 2,825.69 = 1,163.40 : x
2. Step 2: Convert to fraction form
   2,047.79/2,825.69 = 1,163.40/x
3. Step 3: Cross multiply
   2,047.79x = 2,825.69 × 1,163.40
4. Step 4: Simplify right side
   2,047.79x = 3,287,401.93
5. Step 5: Solve for x
   x = 3,287,401.93/2,047.79
6. Step 6: Final answer
   x = 1,605.35