Finding the Fourth Proportional to 67.86, 101.79 and 28.83

Step by Step Solution

1. Step 1: Write the proportion equation
   67.86 : 101.79 = 28.83 : x
2. Step 2: Convert to fraction form
   67.86/101.79 = 28.83/x
3. Step 3: Cross multiply
   67.86x = 101.79 × 28.83
4. Step 4: Simplify right side
   67.86x = 2,934.61
5. Step 5: Solve for x
   x = 2,934.61/67.86
6. Step 6: Final answer
   x = 43.25