Finding the Fourth Proportional to 11,123.34, 16,679.61 and 4,198.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.34 : 16,679.61 = 4,198.38 : x
2. Step 2: Convert to fraction form
   11,123.34/16,679.61 = 4,198.38/x
3. Step 3: Cross multiply
   11,123.34x = 16,679.61 × 4,198.38
4. Step 4: Simplify right side
   11,123.34x = 70,027,341.03
5. Step 5: Solve for x
   x = 70,027,341.03/11,123.34
6. Step 6: Final answer
   x = 6,295.53