Finding the Fourth Proportional to 5,707.42, 8,559.78 and 3,858.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707.42 : 8,559.78 = 3,858.04 : x
2. Step 2: Convert to fraction form
   5,707.42/8,559.78 = 3,858.04/x
3. Step 3: Cross multiply
   5,707.42x = 8,559.78 × 3,858.04
4. Step 4: Simplify right side
   5,707.42x = 33,023,973.63
5. Step 5: Solve for x
   x = 33,023,973.63/5,707.42
6. Step 6: Final answer
   x = 5,786.15