Finding the Fourth Proportional to 25,238.09, 34,830.09 and 13,907.57

Step by Step Solution

1. Step 1: Write the proportion equation
   25,238.09 : 34,830.09 = 13,907.57 : x
2. Step 2: Convert to fraction form
   25,238.09/34,830.09 = 13,907.57/x
3. Step 3: Cross multiply
   25,238.09x = 34,830.09 × 13,907.57
4. Step 4: Simplify right side
   25,238.09x = 484,401,914.78
5. Step 5: Solve for x
   x = 484,401,914.78/25,238.09
6. Step 6: Final answer
   x = 19,193.29