Finding the Fourth Proportional to 7,831.56, 10,807.56 and 4,294.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,831.56 : 10,807.56 = 4,294.80 : x
2. Step 2: Convert to fraction form
   7,831.56/10,807.56 = 4,294.80/x
3. Step 3: Cross multiply
   7,831.56x = 10,807.56 × 4,294.80
4. Step 4: Simplify right side
   7,831.56x = 46,416,308.69
5. Step 5: Solve for x
   x = 46,416,308.69/7,831.56
6. Step 6: Final answer
   x = 5,926.83