Finding the Fourth Proportional to 5,398.24, 7,449.15 and 3,159.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,398.24 : 7,449.15 = 3,159.82 : x
2. Step 2: Convert to fraction form
   5,398.24/7,449.15 = 3,159.82/x
3. Step 3: Cross multiply
   5,398.24x = 7,449.15 × 3,159.82
4. Step 4: Simplify right side
   5,398.24x = 23,537,973.15
5. Step 5: Solve for x
   x = 23,537,973.15/5,398.24
6. Step 6: Final answer
   x = 4,360.31