Finding the Fourth Proportional to 12,222.99, 16,868.82 and 7,184.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222.99 : 16,868.82 = 7,184.69 : x
2. Step 2: Convert to fraction form
   12,222.99/16,868.82 = 7,184.69/x
3. Step 3: Cross multiply
   12,222.99x = 16,868.82 × 7,184.69
4. Step 4: Simplify right side
   12,222.99x = 121,197,242.37
5. Step 5: Solve for x
   x = 121,197,242.37/12,222.99
6. Step 6: Final answer
   x = 9,915.52