Finding the Fourth Proportional to 83.22, 114.72 and 50.46

Step by Step Solution

1. Step 1: Write the proportion equation
   83.22 : 114.72 = 50.46 : x
2. Step 2: Convert to fraction form
   83.22/114.72 = 50.46/x
3. Step 3: Cross multiply
   83.22x = 114.72 × 50.46
4. Step 4: Simplify right side
   83.22x = 5,788.77
5. Step 5: Solve for x
   x = 5,788.77/83.22
6. Step 6: Final answer
   x = 69.56