Finding the Fourth Proportional to 139,630.50, 192,675.51 and 79,181.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,630.50 : 192,675.51 = 79,181.82 : x
2. Step 2: Convert to fraction form
   139,630.50/192,675.51 = 79,181.82/x
3. Step 3: Cross multiply
   139,630.50x = 192,675.51 × 79,181.82
4. Step 4: Simplify right side
   139,630.50x = 15,256,397,551.23
5. Step 5: Solve for x
   x = 15,256,397,551.23/139,630.50
6. Step 6: Final answer
   x = 109,262.64