Finding the Fourth Proportional to 8,747.37, 12,064.55 and 5,603.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.37 : 12,064.55 = 5,603.85 : x
2. Step 2: Convert to fraction form
   8,747.37/12,064.55 = 5,603.85/x
3. Step 3: Cross multiply
   8,747.37x = 12,064.55 × 5,603.85
4. Step 4: Simplify right side
   8,747.37x = 67,607,900.50
5. Step 5: Solve for x
   x = 67,607,900.50/8,747.37
6. Step 6: Final answer
   x = 7,728.94