Finding the Fourth Proportional to 111.94, 167.60 and 102.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111.94 : 167.60 = 102.34 : x
2. Step 2: Convert to fraction form
   111.94/167.60 = 102.34/x
3. Step 3: Cross multiply
   111.94x = 167.60 × 102.34
4. Step 4: Simplify right side
   111.94x = 17,152.18
5. Step 5: Solve for x
   x = 17,152.18/111.94
6. Step 6: Final answer
   x = 153.23