Finding the Fourth Proportional to 23,013.58, 34,469.76 and 19,019.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,013.58 : 34,469.76 = 19,019.58 : x
2. Step 2: Convert to fraction form
   23,013.58/34,469.76 = 19,019.58/x
3. Step 3: Cross multiply
   23,013.58x = 34,469.76 × 19,019.58
4. Step 4: Simplify right side
   23,013.58x = 655,600,357.90
5. Step 5: Solve for x
   x = 655,600,357.90/23,013.58
6. Step 6: Final answer
   x = 28,487.54