Finding the Fourth Proportional to 5,667.84, 7,821.72 and 3,149.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.84 : 7,821.72 = 3,149.82 : x
2. Step 2: Convert to fraction form
   5,667.84/7,821.72 = 3,149.82/x
3. Step 3: Cross multiply
   5,667.84x = 7,821.72 × 3,149.82
4. Step 4: Simplify right side
   5,667.84x = 24,637,010.09
5. Step 5: Solve for x
   x = 24,637,010.09/5,667.84
6. Step 6: Final answer
   x = 4,346.81