Finding the Fourth Proportional to 1,799.38, 2,700.87 and 826.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.38 : 2,700.87 = 826.18 : x
2. Step 2: Convert to fraction form
   1,799.38/2,700.87 = 826.18/x
3. Step 3: Cross multiply
   1,799.38x = 2,700.87 × 826.18
4. Step 4: Simplify right side
   1,799.38x = 2,231,404.78
5. Step 5: Solve for x
   x = 2,231,404.78/1,799.38
6. Step 6: Final answer
   x = 1,240.10