Finding the Fourth Proportional to 1,158.24, 1,738.59 and 500.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.24 : 1,738.59 = 500.43 : x
2. Step 2: Convert to fraction form
   1,158.24/1,738.59 = 500.43/x
3. Step 3: Cross multiply
   1,158.24x = 1,738.59 × 500.43
4. Step 4: Simplify right side
   1,158.24x = 870,042.59
5. Step 5: Solve for x
   x = 870,042.59/1,158.24
6. Step 6: Final answer
   x = 751.18