Finding the Fourth Proportional to 2,986.52, 4,479.72 and 795.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.52 : 4,479.72 = 795.20 : x
2. Step 2: Convert to fraction form
   2,986.52/4,479.72 = 795.20/x
3. Step 3: Cross multiply
   2,986.52x = 4,479.72 × 795.20
4. Step 4: Simplify right side
   2,986.52x = 3,562,273.34
5. Step 5: Solve for x
   x = 3,562,273.34/2,986.52
6. Step 6: Final answer
   x = 1,192.78