Finding the Fourth Proportional to 139,736.54, 192,836.37 and 76,074.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,736.54 : 192,836.37 = 76,074.32 : x
2. Step 2: Convert to fraction form
   139,736.54/192,836.37 = 76,074.32/x
3. Step 3: Cross multiply
   139,736.54x = 192,836.37 × 76,074.32
4. Step 4: Simplify right side
   139,736.54x = 14,669,895,719.02
5. Step 5: Solve for x
   x = 14,669,895,719.02/139,736.54
6. Step 6: Final answer
   x = 104,982.53