Finding the Fourth Proportional to 16,753.89, 23,120.53 and 9,200.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,753.89 : 23,120.53 = 9,200.38 : x
2. Step 2: Convert to fraction form
   16,753.89/23,120.53 = 9,200.38/x
3. Step 3: Cross multiply
   16,753.89x = 23,120.53 × 9,200.38
4. Step 4: Simplify right side
   16,753.89x = 212,717,650.23
5. Step 5: Solve for x
   x = 212,717,650.23/16,753.89
6. Step 6: Final answer
   x = 12,696.61