Finding the Fourth Proportional to 8,549.72, 12,826.28 and 3,619.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,549.72 : 12,826.28 = 3,619.32 : x
2. Step 2: Convert to fraction form
   8,549.72/12,826.28 = 3,619.32/x
3. Step 3: Cross multiply
   8,549.72x = 12,826.28 × 3,619.32
4. Step 4: Simplify right side
   8,549.72x = 46,422,411.73
5. Step 5: Solve for x
   x = 46,422,411.73/8,549.72
6. Step 6: Final answer
   x = 5,429.70