Finding the Fourth Proportional to 1,967.72, 2,951.56 and 797.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.72 : 2,951.56 = 797.71 : x
2. Step 2: Convert to fraction form
   1,967.72/2,951.56 = 797.71/x
3. Step 3: Cross multiply
   1,967.72x = 2,951.56 × 797.71
4. Step 4: Simplify right side
   1,967.72x = 2,354,488.93
5. Step 5: Solve for x
   x = 2,354,488.93/1,967.72
6. Step 6: Final answer
   x = 1,196.56