Finding the Fourth Proportional to 38,390.82, 57,577.59 and 13,766.82

Step by Step Solution

1. Step 1: Write the proportion equation
   38,390.82 : 57,577.59 = 13,766.82 : x
2. Step 2: Convert to fraction form
   38,390.82/57,577.59 = 13,766.82/x
3. Step 3: Cross multiply
   38,390.82x = 57,577.59 × 13,766.82
4. Step 4: Simplify right side
   38,390.82x = 792,660,317.56
5. Step 5: Solve for x
   x = 792,660,317.56/38,390.82
6. Step 6: Final answer
   x = 20,647.13