Finding the Fourth Proportional to 10,434.24, 14,404.32 and 7,289.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.24 : 14,404.32 = 7,289.28 : x
2. Step 2: Convert to fraction form
   10,434.24/14,404.32 = 7,289.28/x
3. Step 3: Cross multiply
   10,434.24x = 14,404.32 × 7,289.28
4. Step 4: Simplify right side
   10,434.24x = 104,997,121.69
5. Step 5: Solve for x
   x = 104,997,121.69/10,434.24
6. Step 6: Final answer
   x = 10,062.75