Finding the Fourth Proportional to 139,996.41, 193,190.22 and 79,566

Step by Step Solution

1. Step 1: Write the proportion equation
   139,996.41 : 193,190.22 = 79,566 : x
2. Step 2: Convert to fraction form
   139,996.41/193,190.22 = 79,566/x
3. Step 3: Cross multiply
   139,996.41x = 193,190.22 × 79,566
4. Step 4: Simplify right side
   139,996.41x = 15,371,373,044.52
5. Step 5: Solve for x
   x = 15,371,373,044.52/139,996.41
6. Step 6: Final answer
   x = 109,798.34