Finding the Fourth Proportional to 5,708.10, 7,867.77 and 3,819.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,708.10 : 7,867.77 = 3,819.02 : x
2. Step 2: Convert to fraction form
   5,708.10/7,867.77 = 3,819.02/x
3. Step 3: Cross multiply
   5,708.10x = 7,867.77 × 3,819.02
4. Step 4: Simplify right side
   5,708.10x = 30,047,117.33
5. Step 5: Solve for x
   x = 30,047,117.33/5,708.10
6. Step 6: Final answer
   x = 5,263.94