Finding the Fourth Proportional to 3,929.43, 5,890.49 and 2,697.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929.43 : 5,890.49 = 2,697.42 : x
2. Step 2: Convert to fraction form
   3,929.43/5,890.49 = 2,697.42/x
3. Step 3: Cross multiply
   3,929.43x = 5,890.49 × 2,697.42
4. Step 4: Simplify right side
   3,929.43x = 15,889,131.83
5. Step 5: Solve for x
   x = 15,889,131.83/3,929.43
6. Step 6: Final answer
   x = 4,043.62