Finding the Fourth Proportional to 54,553.82, 81,831.72 and 17,113.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,553.82 : 81,831.72 = 17,113.10 : x
2. Step 2: Convert to fraction form
   54,553.82/81,831.72 = 17,113.10/x
3. Step 3: Cross multiply
   54,553.82x = 81,831.72 × 17,113.10
4. Step 4: Simplify right side
   54,553.82x = 1,400,394,407.53
5. Step 5: Solve for x
   x = 1,400,394,407.53/54,553.82
6. Step 6: Final answer
   x = 25,669.96