Finding the Fourth Proportional to 1,155.38, 1,732.20 and 599.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.38 : 1,732.20 = 599.49 : x
2. Step 2: Convert to fraction form
   1,155.38/1,732.20 = 599.49/x
3. Step 3: Cross multiply
   1,155.38x = 1,732.20 × 599.49
4. Step 4: Simplify right side
   1,155.38x = 1,038,436.58
5. Step 5: Solve for x
   x = 1,038,436.58/1,155.38
6. Step 6: Final answer
   x = 898.78