Finding the Fourth Proportional to 7,812.29, 10,769.73 and 5,570.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,812.29 : 10,769.73 = 5,570.27 : x
2. Step 2: Convert to fraction form
   7,812.29/10,769.73 = 5,570.27/x
3. Step 3: Cross multiply
   7,812.29x = 10,769.73 × 5,570.27
4. Step 4: Simplify right side
   7,812.29x = 59,990,250.08
5. Step 5: Solve for x
   x = 59,990,250.08/7,812.29
6. Step 6: Final answer
   x = 7,678.96