Finding the Fourth Proportional to 25,087.91, 34,621.71 and 13,758.44

Step by Step Solution

1. Step 1: Write the proportion equation
   25,087.91 : 34,621.71 = 13,758.44 : x
2. Step 2: Convert to fraction form
   25,087.91/34,621.71 = 13,758.44/x
3. Step 3: Cross multiply
   25,087.91x = 34,621.71 × 13,758.44
4. Step 4: Simplify right side
   25,087.91x = 476,340,719.73
5. Step 5: Solve for x
   x = 476,340,719.73/25,087.91
6. Step 6: Final answer
   x = 18,986.86