Finding the Fourth Proportional to 5,819.06, 8,027.69 and 3,930.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,819.06 : 8,027.69 = 3,930.03 : x
2. Step 2: Convert to fraction form
   5,819.06/8,027.69 = 3,930.03/x
3. Step 3: Cross multiply
   5,819.06x = 8,027.69 × 3,930.03
4. Step 4: Simplify right side
   5,819.06x = 31,549,062.53
5. Step 5: Solve for x
   x = 31,549,062.53/5,819.06
6. Step 6: Final answer
   x = 5,421.68