Finding the Fourth Proportional to 25,086.82, 34,620.48 and 13,756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,086.82 : 34,620.48 = 13,756.82 : x
2. Step 2: Convert to fraction form
   25,086.82/34,620.48 = 13,756.82/x
3. Step 3: Cross multiply
   25,086.82x = 34,620.48 × 13,756.82
4. Step 4: Simplify right side
   25,086.82x = 476,267,711.67
5. Step 5: Solve for x
   x = 476,267,711.67/25,086.82
6. Step 6: Final answer
   x = 18,984.78