Finding the Fourth Proportional to 1,757.78, 2,426.34 and 1,168.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.78 : 2,426.34 = 1,168.46 : x
2. Step 2: Convert to fraction form
   1,757.78/2,426.34 = 1,168.46/x
3. Step 3: Cross multiply
   1,757.78x = 2,426.34 × 1,168.46
4. Step 4: Simplify right side
   1,757.78x = 2,835,081.24
5. Step 5: Solve for x
   x = 2,835,081.24/1,757.78
6. Step 6: Final answer
   x = 1,612.88