Finding the Fourth Proportional to 8,888.40, 12,260.86 and 5,744.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,888.40 : 12,260.86 = 5,744.59 : x
2. Step 2: Convert to fraction form
   8,888.40/12,260.86 = 5,744.59/x
3. Step 3: Cross multiply
   8,888.40x = 12,260.86 × 5,744.59
4. Step 4: Simplify right side
   8,888.40x = 70,433,568.73
5. Step 5: Solve for x
   x = 70,433,568.73/8,888.40
6. Step 6: Final answer
   x = 7,924.21