Finding the Fourth Proportional to 82,871.48, 124,325.22 and 30,280.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,871.48 : 124,325.22 = 30,280.88 : x
2. Step 2: Convert to fraction form
   82,871.48/124,325.22 = 30,280.88/x
3. Step 3: Cross multiply
   82,871.48x = 124,325.22 × 30,280.88
4. Step 4: Simplify right side
   82,871.48x = 3,764,676,446.17
5. Step 5: Solve for x
   x = 3,764,676,446.17/82,871.48
6. Step 6: Final answer
   x = 45,427.89