Finding the Fourth Proportional to 10,982.88, 15,171.12 and 10,464.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,982.88 : 15,171.12 = 10,464.48 : x
2. Step 2: Convert to fraction form
   10,982.88/15,171.12 = 10,464.48/x
3. Step 3: Cross multiply
   10,982.88x = 15,171.12 × 10,464.48
4. Step 4: Simplify right side
   10,982.88x = 158,757,881.82
5. Step 5: Solve for x
   x = 158,757,881.82/10,982.88
6. Step 6: Final answer
   x = 14,455.03