Finding the Fourth Proportional to 50,904.72, 70,246.15 and 28,243.47

Step by Step Solution

1. Step 1: Write the proportion equation
   50,904.72 : 70,246.15 = 28,243.47 : x
2. Step 2: Convert to fraction form
   50,904.72/70,246.15 = 28,243.47/x
3. Step 3: Cross multiply
   50,904.72x = 70,246.15 × 28,243.47
4. Step 4: Simplify right side
   50,904.72x = 1,983,995,030.14
5. Step 5: Solve for x
   x = 1,983,995,030.14/50,904.72
6. Step 6: Final answer
   x = 38,974.68