Finding the Fourth Proportional to 1,254.15, 1,729.74 and 756.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.15 : 1,729.74 = 756.27 : x
2. Step 2: Convert to fraction form
   1,254.15/1,729.74 = 756.27/x
3. Step 3: Cross multiply
   1,254.15x = 1,729.74 × 756.27
4. Step 4: Simplify right side
   1,254.15x = 1,308,150.47
5. Step 5: Solve for x
   x = 1,308,150.47/1,254.15
6. Step 6: Final answer
   x = 1,043.06