Finding the Fourth Proportional to 18,823, 25,976.56 and 10,439.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,823 : 25,976.56 = 10,439.52 : x
2. Step 2: Convert to fraction form
   18,823/25,976.56 = 10,439.52/x
3. Step 3: Cross multiply
   18,823x = 25,976.56 × 10,439.52
4. Step 4: Simplify right side
   18,823x = 271,182,817.65
5. Step 5: Solve for x
   x = 271,182,817.65/18,823
6. Step 6: Final answer
   x = 14,406.99