Finding the Fourth Proportional to 4,932.72, 7,401.58 and 2,159.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,932.72 : 7,401.58 = 2,159.42 : x
2. Step 2: Convert to fraction form
   4,932.72/7,401.58 = 2,159.42/x
3. Step 3: Cross multiply
   4,932.72x = 7,401.58 × 2,159.42
4. Step 4: Simplify right side
   4,932.72x = 15,983,077.48
5. Step 5: Solve for x
   x = 15,983,077.48/4,932.72
6. Step 6: Final answer
   x = 3,240.22