Finding the Fourth Proportional to 139,727.49, 192,823.86 and 76,065.27

Step by Step Solution

1. Step 1: Write the proportion equation
   139,727.49 : 192,823.86 = 76,065.27 : x
2. Step 2: Convert to fraction form
   139,727.49/192,823.86 = 76,065.27/x
3. Step 3: Cross multiply
   139,727.49x = 192,823.86 × 76,065.27
4. Step 4: Simplify right side
   139,727.49x = 14,667,198,973.34
5. Step 5: Solve for x
   x = 14,667,198,973.34/139,727.49
6. Step 6: Final answer
   x = 104,970.03