Finding the Fourth Proportional to 54,758.75, 82,142.73 and 17,317.98

Step by Step Solution

1. Step 1: Write the proportion equation
   54,758.75 : 82,142.73 = 17,317.98 : x
2. Step 2: Convert to fraction form
   54,758.75/82,142.73 = 17,317.98/x
3. Step 3: Cross multiply
   54,758.75x = 82,142.73 × 17,317.98
4. Step 4: Simplify right side
   54,758.75x = 1,422,546,398.38
5. Step 5: Solve for x
   x = 1,422,546,398.38/54,758.75
6. Step 6: Final answer
   x = 25,978.43