Finding the Fourth Proportional to 16,638.73, 24,955.39 and 5,545.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638.73 : 24,955.39 = 5,545.51 : x
2. Step 2: Convert to fraction form
   16,638.73/24,955.39 = 5,545.51/x
3. Step 3: Cross multiply
   16,638.73x = 24,955.39 × 5,545.51
4. Step 4: Simplify right side
   16,638.73x = 138,390,309.34
5. Step 5: Solve for x
   x = 138,390,309.34/16,638.73
6. Step 6: Final answer
   x = 8,317.36