Finding the Fourth Proportional to 139,044.42, 191,876.10 and 75,380.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,044.42 : 191,876.10 = 75,380.82 : x
2. Step 2: Convert to fraction form
   139,044.42/191,876.10 = 75,380.82/x
3. Step 3: Cross multiply
   139,044.42x = 191,876.10 × 75,380.82
4. Step 4: Simplify right side
   139,044.42x = 14,463,777,756.40
5. Step 5: Solve for x
   x = 14,463,777,756.40/139,044.42
6. Step 6: Final answer
   x = 104,022.71