Finding the Fourth Proportional to 1,882.50, 2,822.20 and 711.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.50 : 2,822.20 = 711.83 : x
2. Step 2: Convert to fraction form
   1,882.50/2,822.20 = 711.83/x
3. Step 3: Cross multiply
   1,882.50x = 2,822.20 × 711.83
4. Step 4: Simplify right side
   1,882.50x = 2,008,935.91
5. Step 5: Solve for x
   x = 2,008,935.91/1,882.50
6. Step 6: Final answer
   x = 1,067.17