Finding the Fourth Proportional to 5,667.83, 7,821.45 and 3,149.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.83 : 7,821.45 = 3,149.88 : x
2. Step 2: Convert to fraction form
   5,667.83/7,821.45 = 3,149.88/x
3. Step 3: Cross multiply
   5,667.83x = 7,821.45 × 3,149.88
4. Step 4: Simplify right side
   5,667.83x = 24,636,617.25
5. Step 5: Solve for x
   x = 24,636,617.25/5,667.83
6. Step 6: Final answer
   x = 4,346.75