Finding the Fourth Proportional to 7,859.62, 10,841.67 and 5,065.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,859.62 : 10,841.67 = 5,065.12 : x
2. Step 2: Convert to fraction form
   7,859.62/10,841.67 = 5,065.12/x
3. Step 3: Cross multiply
   7,859.62x = 10,841.67 × 5,065.12
4. Step 4: Simplify right side
   7,859.62x = 54,914,359.55
5. Step 5: Solve for x
   x = 54,914,359.55/7,859.62
6. Step 6: Final answer
   x = 6,986.90