Finding the Fourth Proportional to 11,111.39, 16,674.33 and 4,091.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.39 : 16,674.33 = 4,091.48 : x
2. Step 2: Convert to fraction form
   11,111.39/16,674.33 = 4,091.48/x
3. Step 3: Cross multiply
   11,111.39x = 16,674.33 × 4,091.48
4. Step 4: Simplify right side
   11,111.39x = 68,222,604.34
5. Step 5: Solve for x
   x = 68,222,604.34/11,111.39
6. Step 6: Final answer
   x = 6,139.88