Finding the Fourth Proportional to 7,018.38, 9,689.33 and 5,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.38 : 9,689.33 = 5,597.50 : x
2. Step 2: Convert to fraction form
   7,018.38/9,689.33 = 5,597.50/x
3. Step 3: Cross multiply
   7,018.38x = 9,689.33 × 5,597.50
4. Step 4: Simplify right side
   7,018.38x = 54,236,024.68
5. Step 5: Solve for x
   x = 54,236,024.68/7,018.38
6. Step 6: Final answer
   x = 7,727.71