Finding the Fourth Proportional to 25,185.27, 34,756.52 and 13,856.07

Step by Step Solution

1. Step 1: Write the proportion equation
   25,185.27 : 34,756.52 = 13,856.07 : x
2. Step 2: Convert to fraction form
   25,185.27/34,756.52 = 13,856.07/x
3. Step 3: Cross multiply
   25,185.27x = 34,756.52 × 13,856.07
4. Step 4: Simplify right side
   25,185.27x = 481,588,704.80
5. Step 5: Solve for x
   x = 481,588,704.80/25,185.27
6. Step 6: Final answer
   x = 19,121.84