Finding the Fourth Proportional to 5,667.57, 7,820.04 and 3,308.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.57 : 7,820.04 = 3,308.65 : x
2. Step 2: Convert to fraction form
   5,667.57/7,820.04 = 3,308.65/x
3. Step 3: Cross multiply
   5,667.57x = 7,820.04 × 3,308.65
4. Step 4: Simplify right side
   5,667.57x = 25,873,768.20
5. Step 5: Solve for x
   x = 25,873,768.20/5,667.57
6. Step 6: Final answer
   x = 4,565.23