Finding the Fourth Proportional to 16,796.47, 23,171.37 and 10,830.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,796.47 : 23,171.37 = 10,830.05 : x
2. Step 2: Convert to fraction form
   16,796.47/23,171.37 = 10,830.05/x
3. Step 3: Cross multiply
   16,796.47x = 23,171.37 × 10,830.05
4. Step 4: Simplify right side
   16,796.47x = 250,947,153.60
5. Step 5: Solve for x
   x = 250,947,153.60/16,796.47
6. Step 6: Final answer
   x = 14,940.47