Finding the Fourth Proportional to 16,696.52, 23,041.48 and 9,142.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,696.52 : 23,041.48 = 9,142.73 : x
2. Step 2: Convert to fraction form
   16,696.52/23,041.48 = 9,142.73/x
3. Step 3: Cross multiply
   16,696.52x = 23,041.48 × 9,142.73
4. Step 4: Simplify right side
   16,696.52x = 210,662,030.44
5. Step 5: Solve for x
   x = 210,662,030.44/16,696.52
6. Step 6: Final answer
   x = 12,617.12