Finding the Fourth Proportional to 12,846.10, 17,723.46 and 7,542.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.10 : 17,723.46 = 7,542.22 : x
2. Step 2: Convert to fraction form
   12,846.10/17,723.46 = 7,542.22/x
3. Step 3: Cross multiply
   12,846.10x = 17,723.46 × 7,542.22
4. Step 4: Simplify right side
   12,846.10x = 133,674,234.48
5. Step 5: Solve for x
   x = 133,674,234.48/12,846.10
6. Step 6: Final answer
   x = 10,405.82