Finding the Fourth Proportional to 67.13, 100.71 and 43.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67.13 : 100.71 = 43.98 : x
2. Step 2: Convert to fraction form
   67.13/100.71 = 43.98/x
3. Step 3: Cross multiply
   67.13x = 100.71 × 43.98
4. Step 4: Simplify right side
   67.13x = 4,428.85
5. Step 5: Solve for x
   x = 4,428.85/67.13
6. Step 6: Final answer
   x = 65.98