Finding the Fourth Proportional to 69.82, 105.38 and 69.82

Step by Step Solution

1. Step 1: Write the proportion equation
   69.82 : 105.38 = 69.82 : x
2. Step 2: Convert to fraction form
   69.82/105.38 = 69.82/x
3. Step 3: Cross multiply
   69.82x = 105.38 × 69.82
4. Step 4: Simplify right side
   69.82x = 7,357.63
5. Step 5: Solve for x
   x = 7,357.63/69.82
6. Step 6: Final answer
   x = 105.38