Finding the Fourth Proportional to 111.83, 167.60 and 98.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 167.60 = 98.08 : x
2. Step 2: Convert to fraction form
   111.83/167.60 = 98.08/x
3. Step 3: Cross multiply
   111.83x = 167.60 × 98.08
4. Step 4: Simplify right side
   111.83x = 16,438.03
5. Step 5: Solve for x
   x = 16,438.03/111.83
6. Step 6: Final answer
   x = 147.00