Finding the Fourth Proportional to 2,484.79, 3,724.81 and 923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,484.79 : 3,724.81 = 923.72 : x
2. Step 2: Convert to fraction form
   2,484.79/3,724.81 = 923.72/x
3. Step 3: Cross multiply
   2,484.79x = 3,724.81 × 923.72
4. Step 4: Simplify right side
   2,484.79x = 3,440,660.56
5. Step 5: Solve for x
   x = 3,440,660.56/2,484.79
6. Step 6: Final answer
   x = 1,384.69