Finding the Fourth Proportional to 71.34, 107.00 and 27.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71.34 : 107.00 = 27.98 : x
2. Step 2: Convert to fraction form
   71.34/107.00 = 27.98/x
3. Step 3: Cross multiply
   71.34x = 107.00 × 27.98
4. Step 4: Simplify right side
   71.34x = 2,993.69
5. Step 5: Solve for x
   x = 2,993.69/71.34
6. Step 6: Final answer
   x = 41.97