Finding the Fourth Proportional to 82,409.98, 123,620.19 and 31,833.13

Step by Step Solution

1. Step 1: Write the proportion equation
   82,409.98 : 123,620.19 = 31,833.13 : x
2. Step 2: Convert to fraction form
   82,409.98/123,620.19 = 31,833.13/x
3. Step 3: Cross multiply
   82,409.98x = 123,620.19 × 31,833.13
4. Step 4: Simplify right side
   82,409.98x = 3,935,217,578.89
5. Step 5: Solve for x
   x = 3,935,217,578.89/82,409.98
6. Step 6: Final answer
   x = 47,751.71