Finding the Fourth Proportional to 1,158.49, 1,597.77 and 738.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.49 : 1,597.77 = 738.71 : x
2. Step 2: Convert to fraction form
   1,158.49/1,597.77 = 738.71/x
3. Step 3: Cross multiply
   1,158.49x = 1,597.77 × 738.71
4. Step 4: Simplify right side
   1,158.49x = 1,180,280.69
5. Step 5: Solve for x
   x = 1,180,280.69/1,158.49
6. Step 6: Final answer
   x = 1,018.81