Finding the Fourth Proportional to 50,982.29, 70,354.61 and 28,321.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,982.29 : 70,354.61 = 28,321.05 : x
2. Step 2: Convert to fraction form
   50,982.29/70,354.61 = 28,321.05/x
3. Step 3: Cross multiply
   50,982.29x = 70,354.61 × 28,321.05
4. Step 4: Simplify right side
   50,982.29x = 1,992,516,655.97
5. Step 5: Solve for x
   x = 1,992,516,655.97/50,982.29
6. Step 6: Final answer
   x = 39,082.53