Finding the Fourth Proportional to 2,061.07, 3,092.00 and 828.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.07 : 3,092.00 = 828.58 : x
2. Step 2: Convert to fraction form
   2,061.07/3,092.00 = 828.58/x
3. Step 3: Cross multiply
   2,061.07x = 3,092.00 × 828.58
4. Step 4: Simplify right side
   2,061.07x = 2,561,965.61
5. Step 5: Solve for x
   x = 2,561,965.61/2,061.07
6. Step 6: Final answer
   x = 1,243.03