Finding the Fourth Proportional to 105.54, 158.34 and 37.07

Step by Step Solution

1. Step 1: Write the proportion equation
   105.54 : 158.34 = 37.07 : x
2. Step 2: Convert to fraction form
   105.54/158.34 = 37.07/x
3. Step 3: Cross multiply
   105.54x = 158.34 × 37.07
4. Step 4: Simplify right side
   105.54x = 5,868.87
5. Step 5: Solve for x
   x = 5,868.87/105.54
6. Step 6: Final answer
   x = 55.61