Finding the Fourth Proportional to 25,046.50, 34,564.41 and 13,868.74

Step by Step Solution

1. Step 1: Write the proportion equation
   25,046.50 : 34,564.41 = 13,868.74 : x
2. Step 2: Convert to fraction form
   25,046.50/34,564.41 = 13,868.74/x
3. Step 3: Cross multiply
   25,046.50x = 34,564.41 × 13,868.74
4. Step 4: Simplify right side
   25,046.50x = 479,364,815.54
5. Step 5: Solve for x
   x = 479,364,815.54/25,046.50
6. Step 6: Final answer
   x = 19,138.99