Finding the Fourth Proportional to 99.82, 149.67 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   99.82 : 149.67 = 42.03 : x
2. Step 2: Convert to fraction form
   99.82/149.67 = 42.03/x
3. Step 3: Cross multiply
   99.82x = 149.67 × 42.03
4. Step 4: Simplify right side
   99.82x = 6,290.96
5. Step 5: Solve for x
   x = 6,290.96/99.82
6. Step 6: Final answer
   x = 63.02