Finding the Fourth Proportional to 1,168.01, 1,752.32 and 518.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.01 : 1,752.32 = 518.59 : x
2. Step 2: Convert to fraction form
   1,168.01/1,752.32 = 518.59/x
3. Step 3: Cross multiply
   1,168.01x = 1,752.32 × 518.59
4. Step 4: Simplify right side
   1,168.01x = 908,724.27
5. Step 5: Solve for x
   x = 908,724.27/1,168.01
6. Step 6: Final answer
   x = 778.01