Finding the Fourth Proportional to 104.05, 154.98 and 99.37

Step by Step Solution

1. Step 1: Write the proportion equation
   104.05 : 154.98 = 99.37 : x
2. Step 2: Convert to fraction form
   104.05/154.98 = 99.37/x
3. Step 3: Cross multiply
   104.05x = 154.98 × 99.37
4. Step 4: Simplify right side
   104.05x = 15,399.59
5. Step 5: Solve for x
   x = 15,399.59/104.05
6. Step 6: Final answer
   x = 148.01