Finding the Fourth Proportional to 1,168.61, 1,756.58 and 1,008.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.61 : 1,756.58 = 1,008.23 : x
2. Step 2: Convert to fraction form
   1,168.61/1,756.58 = 1,008.23/x
3. Step 3: Cross multiply
   1,168.61x = 1,756.58 × 1,008.23
4. Step 4: Simplify right side
   1,168.61x = 1,771,022.83
5. Step 5: Solve for x
   x = 1,771,022.83/1,168.61
6. Step 6: Final answer
   x = 1,515.50