Finding the Fourth Proportional to 149.56, 224.42 and 100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   149.56 : 224.42 = 100.69 : x
2. Step 2: Convert to fraction form
   149.56/224.42 = 100.69/x
3. Step 3: Cross multiply
   149.56x = 224.42 × 100.69
4. Step 4: Simplify right side
   149.56x = 22,596.85
5. Step 5: Solve for x
   x = 22,596.85/149.56
6. Step 6: Final answer
   x = 151.09