Finding the Fourth Proportional to 9,930.24, 14,819.92 and 9,528.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.24 : 14,819.92 = 9,528.38 : x
2. Step 2: Convert to fraction form
   9,930.24/14,819.92 = 9,528.38/x
3. Step 3: Cross multiply
   9,930.24x = 14,819.92 × 9,528.38
4. Step 4: Simplify right side
   9,930.24x = 141,209,829.33
5. Step 5: Solve for x
   x = 141,209,829.33/9,930.24
6. Step 6: Final answer
   x = 14,220.18