Finding the Fourth Proportional to 12,573.82, 18,865.59 and 3,808.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.82 : 18,865.59 = 3,808.81 : x
2. Step 2: Convert to fraction form
   12,573.82/18,865.59 = 3,808.81/x
3. Step 3: Cross multiply
   12,573.82x = 18,865.59 × 3,808.81
4. Step 4: Simplify right side
   12,573.82x = 71,855,447.85
5. Step 5: Solve for x
   x = 71,855,447.85/12,573.82
6. Step 6: Final answer
   x = 5,714.69