Finding the Fourth Proportional to 16,430.34, 22,674.82 and 10,142.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,430.34 : 22,674.82 = 10,142.82 : x
2. Step 2: Convert to fraction form
   16,430.34/22,674.82 = 10,142.82/x
3. Step 3: Cross multiply
   16,430.34x = 22,674.82 × 10,142.82
4. Step 4: Simplify right side
   16,430.34x = 229,986,617.79
5. Step 5: Solve for x
   x = 229,986,617.79/16,430.34
6. Step 6: Final answer
   x = 13,997.68