Finding the Fourth Proportional to 139,701.94, 192,788.49 and 76,039.54

Step by Step Solution

1. Step 1: Write the proportion equation
   139,701.94 : 192,788.49 = 76,039.54 : x
2. Step 2: Convert to fraction form
   139,701.94/192,788.49 = 76,039.54/x
3. Step 3: Cross multiply
   139,701.94x = 192,788.49 × 76,039.54
4. Step 4: Simplify right side
   139,701.94x = 14,659,548,096.89
5. Step 5: Solve for x
   x = 14,659,548,096.89/139,701.94
6. Step 6: Final answer
   x = 104,934.46