Finding the Fourth Proportional to 83.33, 124.96 and 28.47

Step by Step Solution

1. Step 1: Write the proportion equation
   83.33 : 124.96 = 28.47 : x
2. Step 2: Convert to fraction form
   83.33/124.96 = 28.47/x
3. Step 3: Cross multiply
   83.33x = 124.96 × 28.47
4. Step 4: Simplify right side
   83.33x = 3,557.47
5. Step 5: Solve for x
   x = 3,557.47/83.33
6. Step 6: Final answer
   x = 42.69