Finding the Fourth Proportional to 67,164.91, 100,743.72 and 20,414.14

Step by Step Solution

1. Step 1: Write the proportion equation
   67,164.91 : 100,743.72 = 20,414.14 : x
2. Step 2: Convert to fraction form
   67,164.91/100,743.72 = 20,414.14/x
3. Step 3: Cross multiply
   67,164.91x = 100,743.72 × 20,414.14
4. Step 4: Simplify right side
   67,164.91x = 2,056,596,404.20
5. Step 5: Solve for x
   x = 2,056,596,404.20/67,164.91
6. Step 6: Final answer
   x = 30,620.10