Finding the Fourth Proportional to 99.97, 149.89 and 34.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99.97 : 149.89 = 34.94 : x
2. Step 2: Convert to fraction form
   99.97/149.89 = 34.94/x
3. Step 3: Cross multiply
   99.97x = 149.89 × 34.94
4. Step 4: Simplify right side
   99.97x = 5,237.16
5. Step 5: Solve for x
   x = 5,237.16/99.97
6. Step 6: Final answer
   x = 52.39