Finding the Fourth Proportional to 9,857.37, 13,603.32 and 5,608.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,857.37 : 13,603.32 = 5,608.65 : x
2. Step 2: Convert to fraction form
   9,857.37/13,603.32 = 5,608.65/x
3. Step 3: Cross multiply
   9,857.37x = 13,603.32 × 5,608.65
4. Step 4: Simplify right side
   9,857.37x = 76,296,260.72
5. Step 5: Solve for x
   x = 76,296,260.72/9,857.37
6. Step 6: Final answer
   x = 7,740.02