Finding the Fourth Proportional to 53.33, 79.61 and 50.67

Step by Step Solution

1. Step 1: Write the proportion equation
   53.33 : 79.61 = 50.67 : x
2. Step 2: Convert to fraction form
   53.33/79.61 = 50.67/x
3. Step 3: Cross multiply
   53.33x = 79.61 × 50.67
4. Step 4: Simplify right side
   53.33x = 4,033.59
5. Step 5: Solve for x
   x = 4,033.59/53.33
6. Step 6: Final answer
   x = 75.64