Finding the Fourth Proportional to 1,871.82, 2,809.82 and 1,092.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.82 : 2,809.82 = 1,092.74 : x
2. Step 2: Convert to fraction form
   1,871.82/2,809.82 = 1,092.74/x
3. Step 3: Cross multiply
   1,871.82x = 2,809.82 × 1,092.74
4. Step 4: Simplify right side
   1,871.82x = 3,070,391.39
5. Step 5: Solve for x
   x = 3,070,391.39/1,871.82
6. Step 6: Final answer
   x = 1,640.32