Finding the Fourth Proportional to 139,895.38, 193,057.94 and 76,233.18

Step by Step Solution

1. Step 1: Write the proportion equation
   139,895.38 : 193,057.94 = 76,233.18 : x
2. Step 2: Convert to fraction form
   139,895.38/193,057.94 = 76,233.18/x
3. Step 3: Cross multiply
   139,895.38x = 193,057.94 × 76,233.18
4. Step 4: Simplify right side
   139,895.38x = 14,717,420,822.56
5. Step 5: Solve for x
   x = 14,717,420,822.56/139,895.38
6. Step 6: Final answer
   x = 105,203.05