Finding the Fourth Proportional to 25,142.22, 34,702.50 and 14,538

Step by Step Solution

1. Step 1: Write the proportion equation
   25,142.22 : 34,702.50 = 14,538 : x
2. Step 2: Convert to fraction form
   25,142.22/34,702.50 = 14,538/x
3. Step 3: Cross multiply
   25,142.22x = 34,702.50 × 14,538
4. Step 4: Simplify right side
   25,142.22x = 504,504,945
5. Step 5: Solve for x
   x = 504,504,945/25,142.22
6. Step 6: Final answer
   x = 20,066.05