Finding the Fourth Proportional to 67,393.50, 101,072.94 and 19,997.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,393.50 : 101,072.94 = 19,997.38 : x
2. Step 2: Convert to fraction form
   67,393.50/101,072.94 = 19,997.38/x
3. Step 3: Cross multiply
   67,393.50x = 101,072.94 × 19,997.38
4. Step 4: Simplify right side
   67,393.50x = 2,021,193,661.22
5. Step 5: Solve for x
   x = 2,021,193,661.22/67,393.50
6. Step 6: Final answer
   x = 29,990.93