Finding the Fourth Proportional to 18,426.16, 25,429 and 10,468.24

Step by Step Solution

1. Step 1: Write the proportion equation
   18,426.16 : 25,429 = 10,468.24 : x
2. Step 2: Convert to fraction form
   18,426.16/25,429 = 10,468.24/x
3. Step 3: Cross multiply
   18,426.16x = 25,429 × 10,468.24
4. Step 4: Simplify right side
   18,426.16x = 266,196,874.96
5. Step 5: Solve for x
   x = 266,196,874.96/18,426.16
6. Step 6: Final answer
   x = 14,446.68