Finding the Fourth Proportional to 8,842.69, 12,202.59 and 5,065.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,842.69 : 12,202.59 = 5,065.57 : x
2. Step 2: Convert to fraction form
   8,842.69/12,202.59 = 5,065.57/x
3. Step 3: Cross multiply
   8,842.69x = 12,202.59 × 5,065.57
4. Step 4: Simplify right side
   8,842.69x = 61,813,073.83
5. Step 5: Solve for x
   x = 61,813,073.83/8,842.69
6. Step 6: Final answer
   x = 6,990.30