Finding the Fourth Proportional to 12,016.30, 16,585.50 and 7,176.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.30 : 16,585.50 = 7,176.22 : x
2. Step 2: Convert to fraction form
   12,016.30/16,585.50 = 7,176.22/x
3. Step 3: Cross multiply
   12,016.30x = 16,585.50 × 7,176.22
4. Step 4: Simplify right side
   12,016.30x = 119,021,196.81
5. Step 5: Solve for x
   x = 119,021,196.81/12,016.30
6. Step 6: Final answer
   x = 9,904.98