Finding the Fourth Proportional to 139,896.82, 193,057.27 and 76,234.51

Step by Step Solution

1. Step 1: Write the proportion equation
   139,896.82 : 193,057.27 = 76,234.51 : x
2. Step 2: Convert to fraction form
   139,896.82/193,057.27 = 76,234.51/x
3. Step 3: Cross multiply
   139,896.82x = 193,057.27 × 76,234.51
4. Step 4: Simplify right side
   139,896.82x = 14,717,626,380.39
5. Step 5: Solve for x
   x = 14,717,626,380.39/139,896.82
6. Step 6: Final answer
   x = 105,203.44