Finding the Fourth Proportional to 82,170.69, 123,269.67 and 28,848.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,170.69 : 123,269.67 = 28,848.83 : x
2. Step 2: Convert to fraction form
   82,170.69/123,269.67 = 28,848.83/x
3. Step 3: Cross multiply
   82,170.69x = 123,269.67 × 28,848.83
4. Step 4: Simplify right side
   82,170.69x = 3,556,185,137.64
5. Step 5: Solve for x
   x = 3,556,185,137.64/82,170.69
6. Step 6: Final answer
   x = 43,278.02