Finding the Fourth Proportional to 25,145.47, 34,707.73 and 14,396.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,145.47 : 34,707.73 = 14,396.37 : x
2. Step 2: Convert to fraction form
   25,145.47/34,707.73 = 14,396.37/x
3. Step 3: Cross multiply
   25,145.47x = 34,707.73 × 14,396.37
4. Step 4: Simplify right side
   25,145.47x = 499,665,322.94
5. Step 5: Solve for x
   x = 499,665,322.94/25,145.47
6. Step 6: Final answer
   x = 19,870.99