Finding the Fourth Proportional to 139,536.82, 192,559.82 and 75,874.66

Step by Step Solution

1. Step 1: Write the proportion equation
   139,536.82 : 192,559.82 = 75,874.66 : x
2. Step 2: Convert to fraction form
   139,536.82/192,559.82 = 75,874.66/x
3. Step 3: Cross multiply
   139,536.82x = 192,559.82 × 75,874.66
4. Step 4: Simplify right side
   139,536.82x = 14,610,410,872.16
5. Step 5: Solve for x
   x = 14,610,410,872.16/139,536.82
6. Step 6: Final answer
   x = 104,706.49