Finding the Fourth Proportional to 11,072.88, 16,606.49 and 3,279.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.88 : 16,606.49 = 3,279.87 : x
2. Step 2: Convert to fraction form
   11,072.88/16,606.49 = 3,279.87/x
3. Step 3: Cross multiply
   11,072.88x = 16,606.49 × 3,279.87
4. Step 4: Simplify right side
   11,072.88x = 54,467,111.96
5. Step 5: Solve for x
   x = 54,467,111.96/11,072.88
6. Step 6: Final answer
   x = 4,918.97