Finding the Fourth Proportional to 12,365.68, 18,548.38 and 3,005.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,365.68 : 18,548.38 = 3,005.82 : x
2. Step 2: Convert to fraction form
   12,365.68/18,548.38 = 3,005.82/x
3. Step 3: Cross multiply
   12,365.68x = 18,548.38 × 3,005.82
4. Step 4: Simplify right side
   12,365.68x = 55,753,091.57
5. Step 5: Solve for x
   x = 55,753,091.57/12,365.68
6. Step 6: Final answer
   x = 4,508.70