Finding the Fourth Proportional to 25,169.56, 34,734.42 and 13,839.52

Step by Step Solution

1. Step 1: Write the proportion equation
   25,169.56 : 34,734.42 = 13,839.52 : x
2. Step 2: Convert to fraction form
   25,169.56/34,734.42 = 13,839.52/x
3. Step 3: Cross multiply
   25,169.56x = 34,734.42 × 13,839.52
4. Step 4: Simplify right side
   25,169.56x = 480,707,700.28
5. Step 5: Solve for x
   x = 480,707,700.28/25,169.56
6. Step 6: Final answer
   x = 19,098.77