Finding the Fourth Proportional to 1,253.76, 1,730.28 and 756.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.76 : 1,730.28 = 756.52 : x
2. Step 2: Convert to fraction form
   1,253.76/1,730.28 = 756.52/x
3. Step 3: Cross multiply
   1,253.76x = 1,730.28 × 756.52
4. Step 4: Simplify right side
   1,253.76x = 1,308,991.43
5. Step 5: Solve for x
   x = 1,308,991.43/1,253.76
6. Step 6: Final answer
   x = 1,044.05