Finding the Fourth Proportional to 25,086.98, 34,619.79 and 13,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,086.98 : 34,619.79 = 13,756.25 : x
2. Step 2: Convert to fraction form
   25,086.98/34,619.79 = 13,756.25/x
3. Step 3: Cross multiply
   25,086.98x = 34,619.79 × 13,756.25
4. Step 4: Simplify right side
   25,086.98x = 476,238,313.09
5. Step 5: Solve for x
   x = 476,238,313.09/25,086.98
6. Step 6: Final answer
   x = 18,983.49