Finding the Fourth Proportional to 3,943.48, 5,442.52 and 3,279.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.48 : 5,442.52 = 3,279.20 : x
2. Step 2: Convert to fraction form
   3,943.48/5,442.52 = 3,279.20/x
3. Step 3: Cross multiply
   3,943.48x = 5,442.52 × 3,279.20
4. Step 4: Simplify right side
   3,943.48x = 17,847,111.58
5. Step 5: Solve for x
   x = 17,847,111.58/3,943.48
6. Step 6: Final answer
   x = 4,525.73