Finding the Fourth Proportional to 5,879.69, 8,111.76 and 3,755.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,879.69 : 8,111.76 = 3,755.30 : x
2. Step 2: Convert to fraction form
   5,879.69/8,111.76 = 3,755.30/x
3. Step 3: Cross multiply
   5,879.69x = 8,111.76 × 3,755.30
4. Step 4: Simplify right side
   5,879.69x = 30,462,092.33
5. Step 5: Solve for x
   x = 30,462,092.33/5,879.69
6. Step 6: Final answer
   x = 5,180.90