Finding the Fourth Proportional to 8,756.89, 12,097.68 and 5,739.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,756.89 : 12,097.68 = 5,739.18 : x
2. Step 2: Convert to fraction form
   8,756.89/12,097.68 = 5,739.18/x
3. Step 3: Cross multiply
   8,756.89x = 12,097.68 × 5,739.18
4. Step 4: Simplify right side
   8,756.89x = 69,430,673.92
5. Step 5: Solve for x
   x = 69,430,673.92/8,756.89
6. Step 6: Final answer
   x = 7,928.70