Finding the Fourth Proportional to 1,168.35, 1,612.61 and 726.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.35 : 1,612.61 = 726.59 : x
2. Step 2: Convert to fraction form
   1,168.35/1,612.61 = 726.59/x
3. Step 3: Cross multiply
   1,168.35x = 1,612.61 × 726.59
4. Step 4: Simplify right side
   1,168.35x = 1,171,694.60
5. Step 5: Solve for x
   x = 1,171,694.60/1,168.35
6. Step 6: Final answer
   x = 1,002.86