Finding the Fourth Proportional to 12,196.69, 16,830.51 and 7,415.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.69 : 16,830.51 = 7,415.97 : x
2. Step 2: Convert to fraction form
   12,196.69/16,830.51 = 7,415.97/x
3. Step 3: Cross multiply
   12,196.69x = 16,830.51 × 7,415.97
4. Step 4: Simplify right side
   12,196.69x = 124,814,605.62
5. Step 5: Solve for x
   x = 124,814,605.62/12,196.69
6. Step 6: Final answer
   x = 10,233.48