Finding the Fourth Proportional to 1,158.76, 1,736.82 and 501.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.76 : 1,736.82 = 501.18 : x
2. Step 2: Convert to fraction form
   1,158.76/1,736.82 = 501.18/x
3. Step 3: Cross multiply
   1,158.76x = 1,736.82 × 501.18
4. Step 4: Simplify right side
   1,158.76x = 870,459.45
5. Step 5: Solve for x
   x = 870,459.45/1,158.76
6. Step 6: Final answer
   x = 751.20