Finding the Fourth Proportional to 123.48, 185.02 and 100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   123.48 : 185.02 = 100.67 : x
2. Step 2: Convert to fraction form
   123.48/185.02 = 100.67/x
3. Step 3: Cross multiply
   123.48x = 185.02 × 100.67
4. Step 4: Simplify right side
   123.48x = 18,624.53
5. Step 5: Solve for x
   x = 18,624.53/123.48
6. Step 6: Final answer
   x = 150.83