Finding the Fourth Proportional to 12,196.38, 16,830.96 and 6,607.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.38 : 16,830.96 = 6,607.38 : x
2. Step 2: Convert to fraction form
   12,196.38/16,830.96 = 6,607.38/x
3. Step 3: Cross multiply
   12,196.38x = 16,830.96 × 6,607.38
4. Step 4: Simplify right side
   12,196.38x = 111,208,548.48
5. Step 5: Solve for x
   x = 111,208,548.48/12,196.38
6. Step 6: Final answer
   x = 9,118.16