Finding the Fourth Proportional to 16,142.94, 22,277.47 and 9,769.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.94 : 22,277.47 = 9,769.46 : x
2. Step 2: Convert to fraction form
   16,142.94/22,277.47 = 9,769.46/x
3. Step 3: Cross multiply
   16,142.94x = 22,277.47 × 9,769.46
4. Step 4: Simplify right side
   16,142.94x = 217,638,820.80
5. Step 5: Solve for x
   x = 217,638,820.80/16,142.94
6. Step 6: Final answer
   x = 13,481.98