Finding the Fourth Proportional to 10,074.38, 15,043.72 and 8,229.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.38 : 15,043.72 = 8,229.14 : x
2. Step 2: Convert to fraction form
   10,074.38/15,043.72 = 8,229.14/x
3. Step 3: Cross multiply
   10,074.38x = 15,043.72 × 8,229.14
4. Step 4: Simplify right side
   10,074.38x = 123,796,878.00
5. Step 5: Solve for x
   x = 123,796,878.00/10,074.38
6. Step 6: Final answer
   x = 12,288.29