Finding the Fourth Proportional to 139,570.08, 192,604.59 and 75,906.42

Step by Step Solution

1. Step 1: Write the proportion equation
   139,570.08 : 192,604.59 = 75,906.42 : x
2. Step 2: Convert to fraction form
   139,570.08/192,604.59 = 75,906.42/x
3. Step 3: Cross multiply
   139,570.08x = 192,604.59 × 75,906.42
4. Step 4: Simplify right side
   139,570.08x = 14,619,924,902.47
5. Step 5: Solve for x
   x = 14,619,924,902.47/139,570.08
6. Step 6: Final answer
   x = 104,749.71