Finding the Fourth Proportional to 99.33, 149.00 and 35.21

Step by Step Solution

1. Step 1: Write the proportion equation
   99.33 : 149.00 = 35.21 : x
2. Step 2: Convert to fraction form
   99.33/149.00 = 35.21/x
3. Step 3: Cross multiply
   99.33x = 149.00 × 35.21
4. Step 4: Simplify right side
   99.33x = 5,245.37
5. Step 5: Solve for x
   x = 5,245.37/99.33
6. Step 6: Final answer
   x = 52.81