Finding the Fourth Proportional to 25,283.29, 34,891.32 and 13,953.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,283.29 : 34,891.32 = 13,953.31 : x
2. Step 2: Convert to fraction form
   25,283.29/34,891.32 = 13,953.31/x
3. Step 3: Cross multiply
   25,283.29x = 34,891.32 × 13,953.31
4. Step 4: Simplify right side
   25,283.29x = 486,849,404.27
5. Step 5: Solve for x
   x = 486,849,404.27/25,283.29
6. Step 6: Final answer
   x = 19,255.78