Finding the Fourth Proportional to 7,023.42, 9,692.46 and 3,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,023.42 : 9,692.46 = 3,879.72 : x
2. Step 2: Convert to fraction form
   7,023.42/9,692.46 = 3,879.72/x
3. Step 3: Cross multiply
   7,023.42x = 9,692.46 × 3,879.72
4. Step 4: Simplify right side
   7,023.42x = 37,604,030.91
5. Step 5: Solve for x
   x = 37,604,030.91/7,023.42
6. Step 6: Final answer
   x = 5,354.09