Finding the Fourth Proportional to 109.58, 164.27 and 48.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109.58 : 164.27 = 48.69 : x
2. Step 2: Convert to fraction form
   109.58/164.27 = 48.69/x
3. Step 3: Cross multiply
   109.58x = 164.27 × 48.69
4. Step 4: Simplify right side
   109.58x = 7,998.43
5. Step 5: Solve for x
   x = 7,998.43/109.58
6. Step 6: Final answer
   x = 73.00