Finding the Fourth Proportional to 141.37, 211.59 and 100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   141.37 : 211.59 = 100.67 : x
2. Step 2: Convert to fraction form
   141.37/211.59 = 100.67/x
3. Step 3: Cross multiply
   141.37x = 211.59 × 100.67
4. Step 4: Simplify right side
   141.37x = 21,299.71
5. Step 5: Solve for x
   x = 21,299.71/141.37
6. Step 6: Final answer
   x = 150.67