Finding the Fourth Proportional to 13,949.96, 19,251.24 and 7,662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949.96 : 19,251.24 = 7,662.30 : x
2. Step 2: Convert to fraction form
   13,949.96/19,251.24 = 7,662.30/x
3. Step 3: Cross multiply
   13,949.96x = 19,251.24 × 7,662.30
4. Step 4: Simplify right side
   13,949.96x = 147,508,776.25
5. Step 5: Solve for x
   x = 147,508,776.25/13,949.96
6. Step 6: Final answer
   x = 10,574.14