Finding the Fourth Proportional to 5,667.20, 7,820.58 and 3,149.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.20 : 7,820.58 = 3,149.25 : x
2. Step 2: Convert to fraction form
   5,667.20/7,820.58 = 3,149.25/x
3. Step 3: Cross multiply
   5,667.20x = 7,820.58 × 3,149.25
4. Step 4: Simplify right side
   5,667.20x = 24,628,961.57
5. Step 5: Solve for x
   x = 24,628,961.57/5,667.20
6. Step 6: Final answer
   x = 4,345.88