Finding the Fourth Proportional to 1,801.99, 2,699.37 and 826.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.99 : 2,699.37 = 826.75 : x
2. Step 2: Convert to fraction form
   1,801.99/2,699.37 = 826.75/x
3. Step 3: Cross multiply
   1,801.99x = 2,699.37 × 826.75
4. Step 4: Simplify right side
   1,801.99x = 2,231,704.15
5. Step 5: Solve for x
   x = 2,231,704.15/1,801.99
6. Step 6: Final answer
   x = 1,238.47