Finding the Fourth Proportional to 139.42, 192.50 and 95.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139.42 : 192.50 = 95.82 : x
2. Step 2: Convert to fraction form
   139.42/192.50 = 95.82/x
3. Step 3: Cross multiply
   139.42x = 192.50 × 95.82
4. Step 4: Simplify right side
   139.42x = 18,445.35
5. Step 5: Solve for x
   x = 18,445.35/139.42
6. Step 6: Final answer
   x = 132.30