Finding the Fourth Proportional to 9,016.10, 12,496.76 and 8,496.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.10 : 12,496.76 = 8,496.99 : x
2. Step 2: Convert to fraction form
   9,016.10/12,496.76 = 8,496.99/x
3. Step 3: Cross multiply
   9,016.10x = 12,496.76 × 8,496.99
4. Step 4: Simplify right side
   9,016.10x = 106,184,802.27
5. Step 5: Solve for x
   x = 106,184,802.27/9,016.10
6. Step 6: Final answer
   x = 11,777.24