Finding the Fourth Proportional to 4,401.83, 6,077.34 and 3,928.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,401.83 : 6,077.34 = 3,928.91 : x
2. Step 2: Convert to fraction form
   4,401.83/6,077.34 = 3,928.91/x
3. Step 3: Cross multiply
   4,401.83x = 6,077.34 × 3,928.91
4. Step 4: Simplify right side
   4,401.83x = 23,877,291.51
5. Step 5: Solve for x
   x = 23,877,291.51/4,401.83
6. Step 6: Final answer
   x = 5,424.40