Finding the Fourth Proportional to 111.93, 167.89 and 30.77

Step by Step Solution

1. Step 1: Write the proportion equation
   111.93 : 167.89 = 30.77 : x
2. Step 2: Convert to fraction form
   111.93/167.89 = 30.77/x
3. Step 3: Cross multiply
   111.93x = 167.89 × 30.77
4. Step 4: Simplify right side
   111.93x = 5,165.98
5. Step 5: Solve for x
   x = 5,165.98/111.93
6. Step 6: Final answer
   x = 46.15