Finding the Fourth Proportional to 1,932.82, 2,874.35 and 1,871.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.82 : 2,874.35 = 1,871.31 : x
2. Step 2: Convert to fraction form
   1,932.82/2,874.35 = 1,871.31/x
3. Step 3: Cross multiply
   1,932.82x = 2,874.35 × 1,871.31
4. Step 4: Simplify right side
   1,932.82x = 5,378,799.90
5. Step 5: Solve for x
   x = 5,378,799.90/1,932.82
6. Step 6: Final answer
   x = 2,782.88