Finding the Fourth Proportional to 10,066.87, 13,891.09 and 5,817.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.87 : 13,891.09 = 5,817.88 : x
2. Step 2: Convert to fraction form
   10,066.87/13,891.09 = 5,817.88/x
3. Step 3: Cross multiply
   10,066.87x = 13,891.09 × 5,817.88
4. Step 4: Simplify right side
   10,066.87x = 80,816,694.69
5. Step 5: Solve for x
   x = 80,816,694.69/10,066.87
6. Step 6: Final answer
   x = 8,027.99