Finding the Fourth Proportional to 7,322.57, 10,105.31 and 4,179.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.57 : 10,105.31 = 4,179.05 : x
2. Step 2: Convert to fraction form
   7,322.57/10,105.31 = 4,179.05/x
3. Step 3: Cross multiply
   7,322.57x = 10,105.31 × 4,179.05
4. Step 4: Simplify right side
   7,322.57x = 42,230,555.68
5. Step 5: Solve for x
   x = 42,230,555.68/7,322.57
6. Step 6: Final answer
   x = 5,767.18