Finding the Fourth Proportional to 1,168.45, 1,612.50 and 671.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.45 : 1,612.50 = 671.18 : x
2. Step 2: Convert to fraction form
   1,168.45/1,612.50 = 671.18/x
3. Step 3: Cross multiply
   1,168.45x = 1,612.50 × 671.18
4. Step 4: Simplify right side
   1,168.45x = 1,082,266.33
5. Step 5: Solve for x
   x = 1,082,266.33/1,168.45
6. Step 6: Final answer
   x = 926.24