Finding the Fourth Proportional to 2,146.49, 3,217.56 and 759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.49 : 3,217.56 = 759.50 : x
2. Step 2: Convert to fraction form
   2,146.49/3,217.56 = 759.50/x
3. Step 3: Cross multiply
   2,146.49x = 3,217.56 × 759.50
4. Step 4: Simplify right side
   2,146.49x = 2,443,736.82
5. Step 5: Solve for x
   x = 2,443,736.82/2,146.49
6. Step 6: Final answer
   x = 1,138.48