Finding the Fourth Proportional to 67,932.69, 101,866.25 and 28,479.21

Step by Step Solution

1. Step 1: Write the proportion equation
   67,932.69 : 101,866.25 = 28,479.21 : x
2. Step 2: Convert to fraction form
   67,932.69/101,866.25 = 28,479.21/x
3. Step 3: Cross multiply
   67,932.69x = 101,866.25 × 28,479.21
4. Step 4: Simplify right side
   67,932.69x = 2,901,070,183.27
5. Step 5: Solve for x
   x = 2,901,070,183.27/67,932.69
6. Step 6: Final answer
   x = 42,705.07