Finding the Fourth Proportional to 25,162.56, 34,724.28 and 13,984.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,162.56 : 34,724.28 = 13,984.56 : x
2. Step 2: Convert to fraction form
   25,162.56/34,724.28 = 13,984.56/x
3. Step 3: Cross multiply
   25,162.56x = 34,724.28 × 13,984.56
4. Step 4: Simplify right side
   25,162.56x = 485,603,777.12
5. Step 5: Solve for x
   x = 485,603,777.12/25,162.56
6. Step 6: Final answer
   x = 19,298.66