Finding the Fourth Proportional to 12,422.01, 17,142.60 and 6,756.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,422.01 : 17,142.60 = 6,756.89 : x
2. Step 2: Convert to fraction form
   12,422.01/17,142.60 = 6,756.89/x
3. Step 3: Cross multiply
   12,422.01x = 17,142.60 × 6,756.89
4. Step 4: Simplify right side
   12,422.01x = 115,830,576.80
5. Step 5: Solve for x
   x = 115,830,576.80/12,422.01
6. Step 6: Final answer
   x = 9,324.62