Finding the Fourth Proportional to 7,023.30, 9,692.16 and 3,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,023.30 : 9,692.16 = 3,879.50 : x
2. Step 2: Convert to fraction form
   7,023.30/9,692.16 = 3,879.50/x
3. Step 3: Cross multiply
   7,023.30x = 9,692.16 × 3,879.50
4. Step 4: Simplify right side
   7,023.30x = 37,600,734.72
5. Step 5: Solve for x
   x = 37,600,734.72/7,023.30
6. Step 6: Final answer
   x = 5,353.71