Finding the Fourth Proportional to 149.37, 223.83 and 100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   149.37 : 223.83 = 100.56 : x
2. Step 2: Convert to fraction form
   149.37/223.83 = 100.56/x
3. Step 3: Cross multiply
   149.37x = 223.83 × 100.56
4. Step 4: Simplify right side
   149.37x = 22,508.34
5. Step 5: Solve for x
   x = 22,508.34/149.37
6. Step 6: Final answer
   x = 150.69