Finding the Fourth Proportional to 82,568.04, 123,852.42 and 20,238.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,568.04 : 123,852.42 = 20,238.54 : x
2. Step 2: Convert to fraction form
   82,568.04/123,852.42 = 20,238.54/x
3. Step 3: Cross multiply
   82,568.04x = 123,852.42 × 20,238.54
4. Step 4: Simplify right side
   82,568.04x = 2,506,592,156.27
5. Step 5: Solve for x
   x = 2,506,592,156.27/82,568.04
6. Step 6: Final answer
   x = 30,357.90