Finding the Fourth Proportional to 5,667.38, 7,821.47 and 3,183.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.38 : 7,821.47 = 3,183.86 : x
2. Step 2: Convert to fraction form
   5,667.38/7,821.47 = 3,183.86/x
3. Step 3: Cross multiply
   5,667.38x = 7,821.47 × 3,183.86
4. Step 4: Simplify right side
   5,667.38x = 24,902,410.45
5. Step 5: Solve for x
   x = 24,902,410.45/5,667.38
6. Step 6: Final answer
   x = 4,393.99