Finding the Fourth Proportional to 10,079.75, 13,910.22 and 5,542.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.75 : 13,910.22 = 5,542.62 : x
2. Step 2: Convert to fraction form
   10,079.75/13,910.22 = 5,542.62/x
3. Step 3: Cross multiply
   10,079.75x = 13,910.22 × 5,542.62
4. Step 4: Simplify right side
   10,079.75x = 77,099,063.58
5. Step 5: Solve for x
   x = 77,099,063.58/10,079.75
6. Step 6: Final answer
   x = 7,648.91