Finding the Fourth Proportional to 123.12, 185.01 and 69.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123.12 : 185.01 = 69.06 : x
2. Step 2: Convert to fraction form
   123.12/185.01 = 69.06/x
3. Step 3: Cross multiply
   123.12x = 185.01 × 69.06
4. Step 4: Simplify right side
   123.12x = 12,776.79
5. Step 5: Solve for x
   x = 12,776.79/123.12
6. Step 6: Final answer
   x = 103.78