Finding the Fourth Proportional to 10,150.94, 13,992.42 and 9,336.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,150.94 : 13,992.42 = 9,336.32 : x
2. Step 2: Convert to fraction form
   10,150.94/13,992.42 = 9,336.32/x
3. Step 3: Cross multiply
   10,150.94x = 13,992.42 × 9,336.32
4. Step 4: Simplify right side
   10,150.94x = 130,637,710.69
5. Step 5: Solve for x
   x = 130,637,710.69/10,150.94
6. Step 6: Final answer
   x = 12,869.52