Finding the Fourth Proportional to 67,019.31, 100,539.90 and 22,648.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,019.31 : 100,539.90 = 22,648.68 : x
2. Step 2: Convert to fraction form
   67,019.31/100,539.90 = 22,648.68/x
3. Step 3: Cross multiply
   67,019.31x = 100,539.90 × 22,648.68
4. Step 4: Simplify right side
   67,019.31x = 2,277,096,022.33
5. Step 5: Solve for x
   x = 2,277,096,022.33/67,019.31
6. Step 6: Final answer
   x = 33,976.72