Finding the Fourth Proportional to 2,489.89, 3,732.23 and 929.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.89 : 3,732.23 = 929.27 : x
2. Step 2: Convert to fraction form
   2,489.89/3,732.23 = 929.27/x
3. Step 3: Cross multiply
   2,489.89x = 3,732.23 × 929.27
4. Step 4: Simplify right side
   2,489.89x = 3,468,249.37
5. Step 5: Solve for x
   x = 3,468,249.37/2,489.89
6. Step 6: Final answer
   x = 1,392.93