Finding the Fourth Proportional to 12,212.41, 16,852.17 and 7,176.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,212.41 : 16,852.17 = 7,176.82 : x
2. Step 2: Convert to fraction form
   12,212.41/16,852.17 = 7,176.82/x
3. Step 3: Cross multiply
   12,212.41x = 16,852.17 × 7,176.82
4. Step 4: Simplify right side
   12,212.41x = 120,944,990.70
5. Step 5: Solve for x
   x = 120,944,990.70/12,212.41
6. Step 6: Final answer
   x = 9,903.45