Finding the Fourth Proportional to 10,828.24, 14,953.29 and 10,238.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.24 : 14,953.29 = 10,238.55 : x
2. Step 2: Convert to fraction form
   10,828.24/14,953.29 = 10,238.55/x
3. Step 3: Cross multiply
   10,828.24x = 14,953.29 × 10,238.55
4. Step 4: Simplify right side
   10,828.24x = 153,100,007.33
5. Step 5: Solve for x
   x = 153,100,007.33/10,828.24
6. Step 6: Final answer
   x = 14,138.96