Finding the Fourth Proportional to 1,967.78, 2,950.87 and 797.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.78 : 2,950.87 = 797.54 : x
2. Step 2: Convert to fraction form
   1,967.78/2,950.87 = 797.54/x
3. Step 3: Cross multiply
   1,967.78x = 2,950.87 × 797.54
4. Step 4: Simplify right side
   1,967.78x = 2,353,436.86
5. Step 5: Solve for x
   x = 2,353,436.86/1,967.78
6. Step 6: Final answer
   x = 1,195.99