Finding the Fourth Proportional to 16,142.82, 22,276.38 and 9,770.95

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.82 : 22,276.38 = 9,770.95 : x
2. Step 2: Convert to fraction form
   16,142.82/22,276.38 = 9,770.95/x
3. Step 3: Cross multiply
   16,142.82x = 22,276.38 × 9,770.95
4. Step 4: Simplify right side
   16,142.82x = 217,661,395.16
5. Step 5: Solve for x
   x = 217,661,395.16/16,142.82
6. Step 6: Final answer
   x = 13,483.48