Finding the Fourth Proportional to 25,245.39, 34,838.89 and 13,915.33

Step by Step Solution

1. Step 1: Write the proportion equation
   25,245.39 : 34,838.89 = 13,915.33 : x
2. Step 2: Convert to fraction form
   25,245.39/34,838.89 = 13,915.33/x
3. Step 3: Cross multiply
   25,245.39x = 34,838.89 × 13,915.33
4. Step 4: Simplify right side
   25,245.39x = 484,794,725.27
5. Step 5: Solve for x
   x = 484,794,725.27/25,245.39
6. Step 6: Final answer
   x = 19,203.29