Finding the Fourth Proportional to 105.47, 158.21 and 37.00

Step by Step Solution

1. Step 1: Write the proportion equation
   105.47 : 158.21 = 37.00 : x
2. Step 2: Convert to fraction form
   105.47/158.21 = 37.00/x
3. Step 3: Cross multiply
   105.47x = 158.21 × 37.00
4. Step 4: Simplify right side
   105.47x = 5,853.92
5. Step 5: Solve for x
   x = 5,853.92/105.47
6. Step 6: Final answer
   x = 55.50