Finding the Fourth Proportional to 1,676.67, 2,513.61 and 798.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.67 : 2,513.61 = 798.69 : x
2. Step 2: Convert to fraction form
   1,676.67/2,513.61 = 798.69/x
3. Step 3: Cross multiply
   1,676.67x = 2,513.61 × 798.69
4. Step 4: Simplify right side
   1,676.67x = 2,007,595.17
5. Step 5: Solve for x
   x = 2,007,595.17/1,676.67
6. Step 6: Final answer
   x = 1,197.37