Finding the Fourth Proportional to 8,040.54, 12,043.98 and 5,104.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,040.54 : 12,043.98 = 5,104.29 : x
2. Step 2: Convert to fraction form
   8,040.54/12,043.98 = 5,104.29/x
3. Step 3: Cross multiply
   8,040.54x = 12,043.98 × 5,104.29
4. Step 4: Simplify right side
   8,040.54x = 61,475,966.67
5. Step 5: Solve for x
   x = 61,475,966.67/8,040.54
6. Step 6: Final answer
   x = 7,645.75