Finding the Fourth Proportional to 8,092.40, 12,141.52 and 2,828.19

Step by Step Solution

1. Step 1: Write the proportion equation
   8,092.40 : 12,141.52 = 2,828.19 : x
2. Step 2: Convert to fraction form
   8,092.40/12,141.52 = 2,828.19/x
3. Step 3: Cross multiply
   8,092.40x = 12,141.52 × 2,828.19
4. Step 4: Simplify right side
   8,092.40x = 34,338,525.45
5. Step 5: Solve for x
   x = 34,338,525.45/8,092.40
6. Step 6: Final answer
   x = 4,243.31