Finding the Fourth Proportional to 1,826.83, 2,739.98 and 672.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.83 : 2,739.98 = 672.31 : x
2. Step 2: Convert to fraction form
   1,826.83/2,739.98 = 672.31/x
3. Step 3: Cross multiply
   1,826.83x = 2,739.98 × 672.31
4. Step 4: Simplify right side
   1,826.83x = 1,842,115.95
5. Step 5: Solve for x
   x = 1,842,115.95/1,826.83
6. Step 6: Final answer
   x = 1,008.37