Finding the Fourth Proportional to 1,826.73, 2,738.89 and 656.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.73 : 2,738.89 = 656.15 : x
2. Step 2: Convert to fraction form
   1,826.73/2,738.89 = 656.15/x
3. Step 3: Cross multiply
   1,826.73x = 2,738.89 × 656.15
4. Step 4: Simplify right side
   1,826.73x = 1,797,109.80
5. Step 5: Solve for x
   x = 1,797,109.80/1,826.73
6. Step 6: Final answer
   x = 983.79