Finding the Fourth Proportional to 123.29, 185.01 and 69.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123.29 : 185.01 = 69.20 : x
2. Step 2: Convert to fraction form
   123.29/185.01 = 69.20/x
3. Step 3: Cross multiply
   123.29x = 185.01 × 69.20
4. Step 4: Simplify right side
   123.29x = 12,802.69
5. Step 5: Solve for x
   x = 12,802.69/123.29
6. Step 6: Final answer
   x = 103.84