Finding the Fourth Proportional to 25,074.72, 37,636.38 and 13,396.14

Step by Step Solution

1. Step 1: Write the proportion equation
   25,074.72 : 37,636.38 = 13,396.14 : x
2. Step 2: Convert to fraction form
   25,074.72/37,636.38 = 13,396.14/x
3. Step 3: Cross multiply
   25,074.72x = 37,636.38 × 13,396.14
4. Step 4: Simplify right side
   25,074.72x = 504,182,215.57
5. Step 5: Solve for x
   x = 504,182,215.57/25,074.72
6. Step 6: Final answer
   x = 20,107.19