Finding the Fourth Proportional to 109.98, 164.52 and 61.62

Step by Step Solution

1. Step 1: Write the proportion equation
   109.98 : 164.52 = 61.62 : x
2. Step 2: Convert to fraction form
   109.98/164.52 = 61.62/x
3. Step 3: Cross multiply
   109.98x = 164.52 × 61.62
4. Step 4: Simplify right side
   109.98x = 10,137.72
5. Step 5: Solve for x
   x = 10,137.72/109.98
6. Step 6: Final answer
   x = 92.18