Finding the Fourth Proportional to 12,548.82, 18,826.12 and 3,783.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,548.82 : 18,826.12 = 3,783.81 : x
2. Step 2: Convert to fraction form
   12,548.82/18,826.12 = 3,783.81/x
3. Step 3: Cross multiply
   12,548.82x = 18,826.12 × 3,783.81
4. Step 4: Simplify right side
   12,548.82x = 71,234,536.44
5. Step 5: Solve for x
   x = 71,234,536.44/12,548.82
6. Step 6: Final answer
   x = 5,676.59