Finding the Fourth Proportional to 9,417.18, 12,995.31 and 5,168.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.18 : 12,995.31 = 5,168.46 : x
2. Step 2: Convert to fraction form
   9,417.18/12,995.31 = 5,168.46/x
3. Step 3: Cross multiply
   9,417.18x = 12,995.31 × 5,168.46
4. Step 4: Simplify right side
   9,417.18x = 67,165,739.92
5. Step 5: Solve for x
   x = 67,165,739.92/9,417.18
6. Step 6: Final answer
   x = 7,132.26