Finding the Fourth Proportional to 79.25, 109.31 and 46.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79.25 : 109.31 = 46.50 : x
2. Step 2: Convert to fraction form
   79.25/109.31 = 46.50/x
3. Step 3: Cross multiply
   79.25x = 109.31 × 46.50
4. Step 4: Simplify right side
   79.25x = 5,082.37
5. Step 5: Solve for x
   x = 5,082.37/79.25
6. Step 6: Final answer
   x = 64.13