Finding the Fourth Proportional to 25,109.73, 34,651.42 and 13,931.73

Step by Step Solution

1. Step 1: Write the proportion equation
   25,109.73 : 34,651.42 = 13,931.73 : x
2. Step 2: Convert to fraction form
   25,109.73/34,651.42 = 13,931.73/x
3. Step 3: Cross multiply
   25,109.73x = 34,651.42 × 13,931.73
4. Step 4: Simplify right side
   25,109.73x = 482,754,192.73
5. Step 5: Solve for x
   x = 482,754,192.73/25,109.73
6. Step 6: Final answer
   x = 19,225.78