Finding the Fourth Proportional to 139,198.30, 192,097.37 and 75,536.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,198.30 : 192,097.37 = 75,536.15 : x
2. Step 2: Convert to fraction form
   139,198.30/192,097.37 = 75,536.15/x
3. Step 3: Cross multiply
   139,198.30x = 192,097.37 × 75,536.15
4. Step 4: Simplify right side
   139,198.30x = 14,510,294,983.28
5. Step 5: Solve for x
   x = 14,510,294,983.28/139,198.30
6. Step 6: Final answer
   x = 104,241.90