Finding the Fourth Proportional to 1,326.72, 1,989.60 and 596.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326.72 : 1,989.60 = 596.82 : x
2. Step 2: Convert to fraction form
   1,326.72/1,989.60 = 596.82/x
3. Step 3: Cross multiply
   1,326.72x = 1,989.60 × 596.82
4. Step 4: Simplify right side
   1,326.72x = 1,187,433.07
5. Step 5: Solve for x
   x = 1,187,433.07/1,326.72
6. Step 6: Final answer
   x = 895.01