Finding the Fourth Proportional to 82,804.24, 124,208.40 and 30,213.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,804.24 : 124,208.40 = 30,213.72 : x
2. Step 2: Convert to fraction form
   82,804.24/124,208.40 = 30,213.72/x
3. Step 3: Cross multiply
   82,804.24x = 124,208.40 × 30,213.72
4. Step 4: Simplify right side
   82,804.24x = 3,752,797,819.25
5. Step 5: Solve for x
   x = 3,752,797,819.25/82,804.24
6. Step 6: Final answer
   x = 45,321.32