Finding the Fourth Proportional to 25,144.82, 34,700.60 and 13,815.02

Step by Step Solution

1. Step 1: Write the proportion equation
   25,144.82 : 34,700.60 = 13,815.02 : x
2. Step 2: Convert to fraction form
   25,144.82/34,700.60 = 13,815.02/x
3. Step 3: Cross multiply
   25,144.82x = 34,700.60 × 13,815.02
4. Step 4: Simplify right side
   25,144.82x = 479,389,604.30
5. Step 5: Solve for x
   x = 479,389,604.30/25,144.82
6. Step 6: Final answer
   x = 19,065.14