Finding the Fourth Proportional to 139.25, 192.00 and 114.27

Step by Step Solution

1. Step 1: Write the proportion equation
   139.25 : 192.00 = 114.27 : x
2. Step 2: Convert to fraction form
   139.25/192.00 = 114.27/x
3. Step 3: Cross multiply
   139.25x = 192.00 × 114.27
4. Step 4: Simplify right side
   139.25x = 21,939.12
5. Step 5: Solve for x
   x = 21,939.12/139.25
6. Step 6: Final answer
   x = 157.55