Finding the Fourth Proportional to 99.82, 149.68 and 59.23

Step by Step Solution

1. Step 1: Write the proportion equation
   99.82 : 149.68 = 59.23 : x
2. Step 2: Convert to fraction form
   99.82/149.68 = 59.23/x
3. Step 3: Cross multiply
   99.82x = 149.68 × 59.23
4. Step 4: Simplify right side
   99.82x = 8,865.02
5. Step 5: Solve for x
   x = 8,865.02/99.82
6. Step 6: Final answer
   x = 88.81