Finding the Fourth Proportional to 25,176.56, 34,743.56 and 13,998.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,176.56 : 34,743.56 = 13,998.56 : x
2. Step 2: Convert to fraction form
   25,176.56/34,743.56 = 13,998.56/x
3. Step 3: Cross multiply
   25,176.56x = 34,743.56 × 13,998.56
4. Step 4: Simplify right side
   25,176.56x = 486,359,809.27
5. Step 5: Solve for x
   x = 486,359,809.27/25,176.56
6. Step 6: Final answer
   x = 19,317.96