Finding the Fourth Proportional to 12,566.31, 17,343.72 and 9,395.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,566.31 : 17,343.72 = 9,395.49 : x
2. Step 2: Convert to fraction form
   12,566.31/17,343.72 = 9,395.49/x
3. Step 3: Cross multiply
   12,566.31x = 17,343.72 × 9,395.49
4. Step 4: Simplify right side
   12,566.31x = 162,952,747.82
5. Step 5: Solve for x
   x = 162,952,747.82/12,566.31
6. Step 6: Final answer
   x = 12,967.43