Finding the Fourth Proportional to 25,238.67, 34,830.89 and 13,908.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,238.67 : 34,830.89 = 13,908.15 : x
2. Step 2: Convert to fraction form
   25,238.67/34,830.89 = 13,908.15/x
3. Step 3: Cross multiply
   25,238.67x = 34,830.89 × 13,908.15
4. Step 4: Simplify right side
   25,238.67x = 484,433,242.75
5. Step 5: Solve for x
   x = 484,433,242.75/25,238.67
6. Step 6: Final answer
   x = 19,194.09