Finding the Fourth Proportional to 16,756.78, 23,123.43 and 9,204.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,756.78 : 23,123.43 = 9,204.10 : x
2. Step 2: Convert to fraction form
   16,756.78/23,123.43 = 9,204.10/x
3. Step 3: Cross multiply
   16,756.78x = 23,123.43 × 9,204.10
4. Step 4: Simplify right side
   16,756.78x = 212,830,362.06
5. Step 5: Solve for x
   x = 212,830,362.06/16,756.78
6. Step 6: Final answer
   x = 12,701.15