Finding the Fourth Proportional to 83.15, 114.72 and 46.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83.15 : 114.72 = 46.30 : x
2. Step 2: Convert to fraction form
   83.15/114.72 = 46.30/x
3. Step 3: Cross multiply
   83.15x = 114.72 × 46.30
4. Step 4: Simplify right side
   83.15x = 5,310.96
5. Step 5: Solve for x
   x = 5,310.96/83.15
6. Step 6: Final answer
   x = 63.88