Finding the Fourth Proportional to 139,853.96, 193,071.39 and 108,740.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,853.96 : 193,071.39 = 108,740.24 : x
2. Step 2: Convert to fraction form
   139,853.96/193,071.39 = 108,740.24/x
3. Step 3: Cross multiply
   139,853.96x = 193,071.39 × 108,740.24
4. Step 4: Simplify right side
   139,853.96x = 20,994,629,285.73
5. Step 5: Solve for x
   x = 20,994,629,285.73/139,853.96
6. Step 6: Final answer
   x = 150,118.23