Finding the Fourth Proportional to 30,982.11, 42,757.89 and 19,048.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,982.11 : 42,757.89 = 19,048.38 : x
2. Step 2: Convert to fraction form
   30,982.11/42,757.89 = 19,048.38/x
3. Step 3: Cross multiply
   30,982.11x = 42,757.89 × 19,048.38
4. Step 4: Simplify right side
   30,982.11x = 814,468,536.72
5. Step 5: Solve for x
   x = 814,468,536.72/30,982.11
6. Step 6: Final answer
   x = 26,288.35