Finding the Fourth Proportional to 3,899.56, 5,819.48 and 3,484.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.56 : 5,819.48 = 3,484.04 : x
2. Step 2: Convert to fraction form
   3,899.56/5,819.48 = 3,484.04/x
3. Step 3: Cross multiply
   3,899.56x = 5,819.48 × 3,484.04
4. Step 4: Simplify right side
   3,899.56x = 20,275,301.10
5. Step 5: Solve for x
   x = 20,275,301.10/3,899.56
6. Step 6: Final answer
   x = 5,199.38