Finding the Fourth Proportional to 105.59, 146.71 and 104.46

Step by Step Solution

1. Step 1: Write the proportion equation
   105.59 : 146.71 = 104.46 : x
2. Step 2: Convert to fraction form
   105.59/146.71 = 104.46/x
3. Step 3: Cross multiply
   105.59x = 146.71 × 104.46
4. Step 4: Simplify right side
   105.59x = 15,325.59
5. Step 5: Solve for x
   x = 15,325.59/105.59
6. Step 6: Final answer
   x = 145.15