Finding the Fourth Proportional to 11,808.83, 16,297.34 and 8,819.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,808.83 : 16,297.34 = 8,819.48 : x
2. Step 2: Convert to fraction form
   11,808.83/16,297.34 = 8,819.48/x
3. Step 3: Cross multiply
   11,808.83x = 16,297.34 × 8,819.48
4. Step 4: Simplify right side
   11,808.83x = 143,734,060.83
5. Step 5: Solve for x
   x = 143,734,060.83/11,808.83
6. Step 6: Final answer
   x = 12,171.74