Finding the Fourth Proportional to 5,667.98, 7,821.50 and 3,149.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.98 : 7,821.50 = 3,149.96 : x
2. Step 2: Convert to fraction form
   5,667.98/7,821.50 = 3,149.96/x
3. Step 3: Cross multiply
   5,667.98x = 7,821.50 × 3,149.96
4. Step 4: Simplify right side
   5,667.98x = 24,637,357.28
5. Step 5: Solve for x
   x = 24,637,357.28/5,667.98
6. Step 6: Final answer
   x = 4,346.77