Finding the Fourth Proportional to 8,603.58, 11,872.52 and 4,826.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,603.58 : 11,872.52 = 4,826.28 : x
2. Step 2: Convert to fraction form
   8,603.58/11,872.52 = 4,826.28/x
3. Step 3: Cross multiply
   8,603.58x = 11,872.52 × 4,826.28
4. Step 4: Simplify right side
   8,603.58x = 57,300,105.83
5. Step 5: Solve for x
   x = 57,300,105.83/8,603.58
6. Step 6: Final answer
   x = 6,660.03