Finding the Fourth Proportional to 123.62, 185.42 and 69.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123.62 : 185.42 = 69.34 : x
2. Step 2: Convert to fraction form
   123.62/185.42 = 69.34/x
3. Step 3: Cross multiply
   123.62x = 185.42 × 69.34
4. Step 4: Simplify right side
   123.62x = 12,857.02
5. Step 5: Solve for x
   x = 12,857.02/123.62
6. Step 6: Final answer
   x = 104.00