Finding the Fourth Proportional to 67.98, 101.82 and 45.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67.98 : 101.82 = 45.10 : x
2. Step 2: Convert to fraction form
   67.98/101.82 = 45.10/x
3. Step 3: Cross multiply
   67.98x = 101.82 × 45.10
4. Step 4: Simplify right side
   67.98x = 4,591.57
5. Step 5: Solve for x
   x = 4,591.57/67.98
6. Step 6: Final answer
   x = 67.55