Finding the Fourth Proportional to 1,168.39, 1,612.61 and 671.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.39 : 1,612.61 = 671.37 : x
2. Step 2: Convert to fraction form
   1,168.39/1,612.61 = 671.37/x
3. Step 3: Cross multiply
   1,168.39x = 1,612.61 × 671.37
4. Step 4: Simplify right side
   1,168.39x = 1,082,657.98
5. Step 5: Solve for x
   x = 1,082,657.98/1,168.39
6. Step 6: Final answer
   x = 926.62