Finding the Fourth Proportional to 111.60, 167.38 and 34.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111.60 : 167.38 = 34.56 : x
2. Step 2: Convert to fraction form
   111.60/167.38 = 34.56/x
3. Step 3: Cross multiply
   111.60x = 167.38 × 34.56
4. Step 4: Simplify right side
   111.60x = 5,784.65
5. Step 5: Solve for x
   x = 5,784.65/111.60
6. Step 6: Final answer
   x = 51.83