Finding the Fourth Proportional to 82,042, 123,074.88 and 25,863.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,042 : 123,074.88 = 25,863.12 : x
2. Step 2: Convert to fraction form
   82,042/123,074.88 = 25,863.12/x
3. Step 3: Cross multiply
   82,042x = 123,074.88 × 25,863.12
4. Step 4: Simplify right side
   82,042x = 3,183,100,390.43
5. Step 5: Solve for x
   x = 3,183,100,390.43/82,042
6. Step 6: Final answer
   x = 38,798.43