Finding the Fourth Proportional to 71.59, 107.83 and 65.37

Step by Step Solution

1. Step 1: Write the proportion equation
   71.59 : 107.83 = 65.37 : x
2. Step 2: Convert to fraction form
   71.59/107.83 = 65.37/x
3. Step 3: Cross multiply
   71.59x = 107.83 × 65.37
4. Step 4: Simplify right side
   71.59x = 7,048.85
5. Step 5: Solve for x
   x = 7,048.85/71.59
6. Step 6: Final answer
   x = 98.46