Finding the Fourth Proportional to 16,711.82, 25,055.82 and 8,385.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.82 : 25,055.82 = 8,385.83 : x
2. Step 2: Convert to fraction form
   16,711.82/25,055.82 = 8,385.83/x
3. Step 3: Cross multiply
   16,711.82x = 25,055.82 × 8,385.83
4. Step 4: Simplify right side
   16,711.82x = 210,113,847.03
5. Step 5: Solve for x
   x = 210,113,847.03/16,711.82
6. Step 6: Final answer
   x = 12,572.77