Finding the Fourth Proportional to 82,698.92, 124,048.42 and 20,369.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,698.92 : 124,048.42 = 20,369.42 : x
2. Step 2: Convert to fraction form
   82,698.92/124,048.42 = 20,369.42/x
3. Step 3: Cross multiply
   82,698.92x = 124,048.42 × 20,369.42
4. Step 4: Simplify right side
   82,698.92x = 2,526,794,367.32
5. Step 5: Solve for x
   x = 2,526,794,367.32/82,698.92
6. Step 6: Final answer
   x = 30,554.14