Finding the Fourth Proportional to 71.34, 107.00 and 50.69

Step by Step Solution

1. Step 1: Write the proportion equation
   71.34 : 107.00 = 50.69 : x
2. Step 2: Convert to fraction form
   71.34/107.00 = 50.69/x
3. Step 3: Cross multiply
   71.34x = 107.00 × 50.69
4. Step 4: Simplify right side
   71.34x = 5,423.04
5. Step 5: Solve for x
   x = 5,423.04/71.34
6. Step 6: Final answer
   x = 76.02