Finding the Fourth Proportional to 79.31, 109.43 and 46.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79.31 : 109.43 = 46.56 : x
2. Step 2: Convert to fraction form
   79.31/109.43 = 46.56/x
3. Step 3: Cross multiply
   79.31x = 109.43 × 46.56
4. Step 4: Simplify right side
   79.31x = 5,094.83
5. Step 5: Solve for x
   x = 5,094.83/79.31
6. Step 6: Final answer
   x = 64.24