Finding the Fourth Proportional to 3,819.20, 5,701.12 and 3,549.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.20 : 5,701.12 = 3,549.12 : x
2. Step 2: Convert to fraction form
   3,819.20/5,701.12 = 3,549.12/x
3. Step 3: Cross multiply
   3,819.20x = 5,701.12 × 3,549.12
4. Step 4: Simplify right side
   3,819.20x = 20,233,959.01
5. Step 5: Solve for x
   x = 20,233,959.01/3,819.20
6. Step 6: Final answer
   x = 5,297.96