Finding the Fourth Proportional to 8,279.34, 12,417.42 and 3,836.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,279.34 : 12,417.42 = 3,836.82 : x
2. Step 2: Convert to fraction form
   8,279.34/12,417.42 = 3,836.82/x
3. Step 3: Cross multiply
   8,279.34x = 12,417.42 × 3,836.82
4. Step 4: Simplify right side
   8,279.34x = 47,643,405.40
5. Step 5: Solve for x
   x = 47,643,405.40/8,279.34
6. Step 6: Final answer
   x = 5,754.49