Finding the Fourth Proportional to 1,254.15, 1,730.18 and 756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.15 : 1,730.18 = 756.50 : x
2. Step 2: Convert to fraction form
   1,254.15/1,730.18 = 756.50/x
3. Step 3: Cross multiply
   1,254.15x = 1,730.18 × 756.50
4. Step 4: Simplify right side
   1,254.15x = 1,308,868.74
5. Step 5: Solve for x
   x = 1,308,868.74/1,254.15
6. Step 6: Final answer
   x = 1,043.63