Finding the Fourth Proportional to 69.93, 104.73 and 42.83

Step by Step Solution

1. Step 1: Write the proportion equation
   69.93 : 104.73 = 42.83 : x
2. Step 2: Convert to fraction form
   69.93/104.73 = 42.83/x
3. Step 3: Cross multiply
   69.93x = 104.73 × 42.83
4. Step 4: Simplify right side
   69.93x = 4,485.29
5. Step 5: Solve for x
   x = 4,485.29/69.93
6. Step 6: Final answer
   x = 64.14