Finding the Fourth Proportional to 16,725.89, 23,068.40 and 14,216.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,725.89 : 23,068.40 = 14,216.31 : x
2. Step 2: Convert to fraction form
   16,725.89/23,068.40 = 14,216.31/x
3. Step 3: Cross multiply
   16,725.89x = 23,068.40 × 14,216.31
4. Step 4: Simplify right side
   16,725.89x = 327,947,454.52
5. Step 5: Solve for x
   x = 327,947,454.52/16,725.89
6. Step 6: Final answer
   x = 19,607.17