Finding the Fourth Proportional to 7,144.22, 9,858.24 and 4,160.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144.22 : 9,858.24 = 4,160.18 : x
2. Step 2: Convert to fraction form
   7,144.22/9,858.24 = 4,160.18/x
3. Step 3: Cross multiply
   7,144.22x = 9,858.24 × 4,160.18
4. Step 4: Simplify right side
   7,144.22x = 41,012,003.59
5. Step 5: Solve for x
   x = 41,012,003.59/7,144.22
6. Step 6: Final answer
   x = 5,740.59