Finding the Fourth Proportional to 2,060.02, 3,090.71 and 826.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.02 : 3,090.71 = 826.80 : x
2. Step 2: Convert to fraction form
   2,060.02/3,090.71 = 826.80/x
3. Step 3: Cross multiply
   2,060.02x = 3,090.71 × 826.80
4. Step 4: Simplify right side
   2,060.02x = 2,555,399.03
5. Step 5: Solve for x
   x = 2,555,399.03/2,060.02
6. Step 6: Final answer
   x = 1,240.47