Finding the Fourth Proportional to 109.68, 164.52 and 61.48

Step by Step Solution

1. Step 1: Write the proportion equation
   109.68 : 164.52 = 61.48 : x
2. Step 2: Convert to fraction form
   109.68/164.52 = 61.48/x
3. Step 3: Cross multiply
   109.68x = 164.52 × 61.48
4. Step 4: Simplify right side
   109.68x = 10,114.69
5. Step 5: Solve for x
   x = 10,114.69/109.68
6. Step 6: Final answer
   x = 92.22