Finding the Fourth Proportional to 79.56, 109.82 and 53.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79.56 : 109.82 = 53.34 : x
2. Step 2: Convert to fraction form
   79.56/109.82 = 53.34/x
3. Step 3: Cross multiply
   79.56x = 109.82 × 53.34
4. Step 4: Simplify right side
   79.56x = 5,857.80
5. Step 5: Solve for x
   x = 5,857.80/79.56
6. Step 6: Final answer
   x = 73.63