Finding the Fourth Proportional to 100.08, 149.33 and 89.82

Step by Step Solution

1. Step 1: Write the proportion equation
   100.08 : 149.33 = 89.82 : x
2. Step 2: Convert to fraction form
   100.08/149.33 = 89.82/x
3. Step 3: Cross multiply
   100.08x = 149.33 × 89.82
4. Step 4: Simplify right side
   100.08x = 13,412.37
5. Step 5: Solve for x
   x = 13,412.37/100.08
6. Step 6: Final answer
   x = 134.02