Finding the Fourth Proportional to 1,168.59, 1,612.42 and 671.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.59 : 1,612.42 = 671.25 : x
2. Step 2: Convert to fraction form
   1,168.59/1,612.42 = 671.25/x
3. Step 3: Cross multiply
   1,168.59x = 1,612.42 × 671.25
4. Step 4: Simplify right side
   1,168.59x = 1,082,336.93
5. Step 5: Solve for x
   x = 1,082,336.93/1,168.59
6. Step 6: Final answer
   x = 926.19