Finding the Fourth Proportional to 2,061.98, 3,092.19 and 828.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.98 : 3,092.19 = 828.97 : x
2. Step 2: Convert to fraction form
   2,061.98/3,092.19 = 828.97/x
3. Step 3: Cross multiply
   2,061.98x = 3,092.19 × 828.97
4. Step 4: Simplify right side
   2,061.98x = 2,563,321.91
5. Step 5: Solve for x
   x = 2,563,321.91/2,061.98
6. Step 6: Final answer
   x = 1,243.14