Finding the Fourth Proportional to 123.46, 185.08 and 42.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123.46 : 185.08 = 42.25 : x
2. Step 2: Convert to fraction form
   123.46/185.08 = 42.25/x
3. Step 3: Cross multiply
   123.46x = 185.08 × 42.25
4. Step 4: Simplify right side
   123.46x = 7,819.17
5. Step 5: Solve for x
   x = 7,819.17/123.46
6. Step 6: Final answer
   x = 63.33