Finding the Fourth Proportional to 25,404.14, 35,074.82 and 15,858.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,404.14 : 35,074.82 = 15,858.56 : x
2. Step 2: Convert to fraction form
   25,404.14/35,074.82 = 15,858.56/x
3. Step 3: Cross multiply
   25,404.14x = 35,074.82 × 15,858.56
4. Step 4: Simplify right side
   25,404.14x = 556,235,882.79
5. Step 5: Solve for x
   x = 556,235,882.79/25,404.14
6. Step 6: Final answer
   x = 21,895.49