Finding the Fourth Proportional to 11,100.33, 16,640.77 and 4,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.33 : 16,640.77 = 4,179.69 : x
2. Step 2: Convert to fraction form
   11,100.33/16,640.77 = 4,179.69/x
3. Step 3: Cross multiply
   11,100.33x = 16,640.77 × 4,179.69
4. Step 4: Simplify right side
   11,100.33x = 69,553,259.96
5. Step 5: Solve for x
   x = 69,553,259.96/11,100.33
6. Step 6: Final answer
   x = 6,265.87