Finding the Fourth Proportional to 8,382.98, 12,559.94 and 5,089.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,382.98 : 12,559.94 = 5,089.12 : x
2. Step 2: Convert to fraction form
   8,382.98/12,559.94 = 5,089.12/x
3. Step 3: Cross multiply
   8,382.98x = 12,559.94 × 5,089.12
4. Step 4: Simplify right side
   8,382.98x = 63,919,041.85
5. Step 5: Solve for x
   x = 63,919,041.85/8,382.98
6. Step 6: Final answer
   x = 7,624.86