Finding the Fourth Proportional to 109.83, 151.90 and 108.01

Step by Step Solution

1. Step 1: Write the proportion equation
   109.83 : 151.90 = 108.01 : x
2. Step 2: Convert to fraction form
   109.83/151.90 = 108.01/x
3. Step 3: Cross multiply
   109.83x = 151.90 × 108.01
4. Step 4: Simplify right side
   109.83x = 16,406.72
5. Step 5: Solve for x
   x = 16,406.72/109.83
6. Step 6: Final answer
   x = 149.38