Finding the Fourth Proportional to 82,271.28, 113,536.44 and 50,457.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,271.28 : 113,536.44 = 50,457.72 : x
2. Step 2: Convert to fraction form
   82,271.28/113,536.44 = 50,457.72/x
3. Step 3: Cross multiply
   82,271.28x = 113,536.44 × 50,457.72
4. Step 4: Simplify right side
   82,271.28x = 5,728,789,899.32
5. Step 5: Solve for x
   x = 5,728,789,899.32/82,271.28
6. Step 6: Final answer
   x = 69,632.93