Finding the Fourth Proportional to 67,397.57, 101,092.71 and 20,650.58

Step by Step Solution

1. Step 1: Write the proportion equation
   67,397.57 : 101,092.71 = 20,650.58 : x
2. Step 2: Convert to fraction form
   67,397.57/101,092.71 = 20,650.58/x
3. Step 3: Cross multiply
   67,397.57x = 101,092.71 × 20,650.58
4. Step 4: Simplify right side
   67,397.57x = 2,087,623,095.27
5. Step 5: Solve for x
   x = 2,087,623,095.27/67,397.57
6. Step 6: Final answer
   x = 30,974.75