Finding the Fourth Proportional to 13,950.72, 19,251.54 and 7,662.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,950.72 : 19,251.54 = 7,662.69 : x
2. Step 2: Convert to fraction form
   13,950.72/19,251.54 = 7,662.69/x
3. Step 3: Cross multiply
   13,950.72x = 19,251.54 × 7,662.69
4. Step 4: Simplify right side
   13,950.72x = 147,518,583.04
5. Step 5: Solve for x
   x = 147,518,583.04/13,950.72
6. Step 6: Final answer
   x = 10,574.26