Finding the Fourth Proportional to 1,367.72, 2,049.72 and 635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.72 : 2,049.72 = 635.72 : x
2. Step 2: Convert to fraction form
   1,367.72/2,049.72 = 635.72/x
3. Step 3: Cross multiply
   1,367.72x = 2,049.72 × 635.72
4. Step 4: Simplify right side
   1,367.72x = 1,303,048.00
5. Step 5: Solve for x
   x = 1,303,048.00/1,367.72
6. Step 6: Final answer
   x = 952.72