Finding the Fourth Proportional to 5,667.72, 7,819.26 and 4,179.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.72 : 7,819.26 = 4,179.18 : x
2. Step 2: Convert to fraction form
   5,667.72/7,819.26 = 4,179.18/x
3. Step 3: Cross multiply
   5,667.72x = 7,819.26 × 4,179.18
4. Step 4: Simplify right side
   5,667.72x = 32,678,095.01
5. Step 5: Solve for x
   x = 32,678,095.01/5,667.72
6. Step 6: Final answer
   x = 5,765.65