Finding the Fourth Proportional to 1,910.73, 2,867.72 and 757.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.73 : 2,867.72 = 757.29 : x
2. Step 2: Convert to fraction form
   1,910.73/2,867.72 = 757.29/x
3. Step 3: Cross multiply
   1,910.73x = 2,867.72 × 757.29
4. Step 4: Simplify right side
   1,910.73x = 2,171,691.89
5. Step 5: Solve for x
   x = 2,171,691.89/1,910.73
6. Step 6: Final answer
   x = 1,136.58