Finding the Fourth Proportional to 10,950.62, 16,410.78 and 9,486.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,950.62 : 16,410.78 = 9,486.14 : x
2. Step 2: Convert to fraction form
   10,950.62/16,410.78 = 9,486.14/x
3. Step 3: Cross multiply
   10,950.62x = 16,410.78 × 9,486.14
4. Step 4: Simplify right side
   10,950.62x = 155,674,956.59
5. Step 5: Solve for x
   x = 155,674,956.59/10,950.62
6. Step 6: Final answer
   x = 14,216.09