Finding the Fourth Proportional to 105.99, 158.93 and 37.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105.99 : 158.93 = 37.50 : x
2. Step 2: Convert to fraction form
   105.99/158.93 = 37.50/x
3. Step 3: Cross multiply
   105.99x = 158.93 × 37.50
4. Step 4: Simplify right side
   105.99x = 5,959.88
5. Step 5: Solve for x
   x = 5,959.88/105.99
6. Step 6: Final answer
   x = 56.23