Finding the Fourth Proportional to 2,309.28, 3,462.72 and 923.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.28 : 3,462.72 = 923.04 : x
2. Step 2: Convert to fraction form
   2,309.28/3,462.72 = 923.04/x
3. Step 3: Cross multiply
   2,309.28x = 3,462.72 × 923.04
4. Step 4: Simplify right side
   2,309.28x = 3,196,229.07
5. Step 5: Solve for x
   x = 3,196,229.07/2,309.28
6. Step 6: Final answer
   x = 1,384.08