Finding the Fourth Proportional to 2,062.61, 3,094.05 and 830.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.61 : 3,094.05 = 830.03 : x
2. Step 2: Convert to fraction form
   2,062.61/3,094.05 = 830.03/x
3. Step 3: Cross multiply
   2,062.61x = 3,094.05 × 830.03
4. Step 4: Simplify right side
   2,062.61x = 2,568,138.85
5. Step 5: Solve for x
   x = 2,568,138.85/2,062.61
6. Step 6: Final answer
   x = 1,245.09