Finding the Fourth Proportional to 50,652.72, 69,899.40 and 28,296.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,652.72 : 69,899.40 = 28,296.72 : x
2. Step 2: Convert to fraction form
   50,652.72/69,899.40 = 28,296.72/x
3. Step 3: Cross multiply
   50,652.72x = 69,899.40 × 28,296.72
4. Step 4: Simplify right side
   50,652.72x = 1,977,923,749.97
5. Step 5: Solve for x
   x = 1,977,923,749.97/50,652.72
6. Step 6: Final answer
   x = 39,048.72