Finding the Fourth Proportional to 11,123.19, 16,687.49 and 3,331.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.19 : 16,687.49 = 3,331.94 : x
2. Step 2: Convert to fraction form
   11,123.19/16,687.49 = 3,331.94/x
3. Step 3: Cross multiply
   11,123.19x = 16,687.49 × 3,331.94
4. Step 4: Simplify right side
   11,123.19x = 55,601,615.33
5. Step 5: Solve for x
   x = 55,601,615.33/11,123.19
6. Step 6: Final answer
   x = 4,998.71