Finding the Fourth Proportional to 1,791.72, 2,682.72 and 1,711.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.72 : 2,682.72 = 1,711.80 : x
2. Step 2: Convert to fraction form
   1,791.72/2,682.72 = 1,711.80/x
3. Step 3: Cross multiply
   1,791.72x = 2,682.72 × 1,711.80
4. Step 4: Simplify right side
   1,791.72x = 4,592,280.10
5. Step 5: Solve for x
   x = 4,592,280.10/1,791.72
6. Step 6: Final answer
   x = 2,563.06