Finding the Fourth Proportional to 23,015.49, 34,355.21 and 19,749.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,015.49 : 34,355.21 = 19,749.57 : x
2. Step 2: Convert to fraction form
   23,015.49/34,355.21 = 19,749.57/x
3. Step 3: Cross multiply
   23,015.49x = 34,355.21 × 19,749.57
4. Step 4: Simplify right side
   23,015.49x = 678,500,452.73
5. Step 5: Solve for x
   x = 678,500,452.73/23,015.49
6. Step 6: Final answer
   x = 29,480.17