Finding the Fourth Proportional to 16,889.69, 25,340.00 and 8,123.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,889.69 : 25,340.00 = 8,123.46 : x
2. Step 2: Convert to fraction form
   16,889.69/25,340.00 = 8,123.46/x
3. Step 3: Cross multiply
   16,889.69x = 25,340.00 × 8,123.46
4. Step 4: Simplify right side
   16,889.69x = 205,848,435.78
5. Step 5: Solve for x
   x = 205,848,435.78/16,889.69
6. Step 6: Final answer
   x = 12,187.82