Finding the Fourth Proportional to 1,732.72, 2,596.78 and 757.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.72 : 2,596.78 = 757.76 : x
2. Step 2: Convert to fraction form
   1,732.72/2,596.78 = 757.76/x
3. Step 3: Cross multiply
   1,732.72x = 2,596.78 × 757.76
4. Step 4: Simplify right side
   1,732.72x = 1,967,736.01
5. Step 5: Solve for x
   x = 1,967,736.01/1,732.72
6. Step 6: Final answer
   x = 1,135.63