Finding the Fourth Proportional to 16,816.37, 23,201.71 and 10,851.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,816.37 : 23,201.71 = 10,851.53 : x
2. Step 2: Convert to fraction form
   16,816.37/23,201.71 = 10,851.53/x
3. Step 3: Cross multiply
   16,816.37x = 23,201.71 × 10,851.53
4. Step 4: Simplify right side
   16,816.37x = 251,773,908.98
5. Step 5: Solve for x
   x = 251,773,908.98/16,816.37
6. Step 6: Final answer
   x = 14,971.96