Finding the Fourth Proportional to 123.18, 184.75 and 42.01

Step by Step Solution

1. Step 1: Write the proportion equation
   123.18 : 184.75 = 42.01 : x
2. Step 2: Convert to fraction form
   123.18/184.75 = 42.01/x
3. Step 3: Cross multiply
   123.18x = 184.75 × 42.01
4. Step 4: Simplify right side
   123.18x = 7,760.21
5. Step 5: Solve for x
   x = 7,760.21/123.18
6. Step 6: Final answer
   x = 63.00