Finding the Fourth Proportional to 2,061, 3,092.76 and 828.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061 : 3,092.76 = 828.28 : x
2. Step 2: Convert to fraction form
   2,061/3,092.76 = 828.28/x
3. Step 3: Cross multiply
   2,061x = 3,092.76 × 828.28
4. Step 4: Simplify right side
   2,061x = 2,561,671.25
5. Step 5: Solve for x
   x = 2,561,671.25/2,061
6. Step 6: Final answer
   x = 1,242.93