Finding the Fourth Proportional to 12,422.50, 17,143.37 and 6,757.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,422.50 : 17,143.37 = 6,757.57 : x
2. Step 2: Convert to fraction form
   12,422.50/17,143.37 = 6,757.57/x
3. Step 3: Cross multiply
   12,422.50x = 17,143.37 × 6,757.57
4. Step 4: Simplify right side
   12,422.50x = 115,847,403.31
5. Step 5: Solve for x
   x = 115,847,403.31/12,422.50
6. Step 6: Final answer
   x = 9,325.61