Finding the Fourth Proportional to 25,128.38, 34,677.16 and 13,950.38

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.38 : 34,677.16 = 13,950.38 : x
2. Step 2: Convert to fraction form
   25,128.38/34,677.16 = 13,950.38/x
3. Step 3: Cross multiply
   25,128.38x = 34,677.16 × 13,950.38
4. Step 4: Simplify right side
   25,128.38x = 483,759,559.32
5. Step 5: Solve for x
   x = 483,759,559.32/25,128.38
6. Step 6: Final answer
   x = 19,251.52