Finding the Fourth Proportional to 124.30, 185.39 and 111.34

Step by Step Solution

1. Step 1: Write the proportion equation
   124.30 : 185.39 = 111.34 : x
2. Step 2: Convert to fraction form
   124.30/185.39 = 111.34/x
3. Step 3: Cross multiply
   124.30x = 185.39 × 111.34
4. Step 4: Simplify right side
   124.30x = 20,641.32
5. Step 5: Solve for x
   x = 20,641.32/124.30
6. Step 6: Final answer
   x = 166.06