Finding the Fourth Proportional to 67,067.34, 100,616.56 and 19,680.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,067.34 : 100,616.56 = 19,680.52 : x
2. Step 2: Convert to fraction form
   67,067.34/100,616.56 = 19,680.52/x
3. Step 3: Cross multiply
   67,067.34x = 100,616.56 × 19,680.52
4. Step 4: Simplify right side
   67,067.34x = 1,980,186,221.41
5. Step 5: Solve for x
   x = 1,980,186,221.41/67,067.34
6. Step 6: Final answer
   x = 29,525.34