Finding the Fourth Proportional to 5,404.83, 8,101.67 and 3,920.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.83 : 8,101.67 = 3,920.33 : x
2. Step 2: Convert to fraction form
   5,404.83/8,101.67 = 3,920.33/x
3. Step 3: Cross multiply
   5,404.83x = 8,101.67 × 3,920.33
4. Step 4: Simplify right side
   5,404.83x = 31,761,200.35
5. Step 5: Solve for x
   x = 31,761,200.35/5,404.83
6. Step 6: Final answer
   x = 5,876.45