Finding the Fourth Proportional to 16,881.86, 25,284.72 and 8,123.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,881.86 : 25,284.72 = 8,123.34 : x
2. Step 2: Convert to fraction form
   16,881.86/25,284.72 = 8,123.34/x
3. Step 3: Cross multiply
   16,881.86x = 25,284.72 × 8,123.34
4. Step 4: Simplify right side
   16,881.86x = 205,396,377.36
5. Step 5: Solve for x
   x = 205,396,377.36/16,881.86
6. Step 6: Final answer
   x = 12,166.69