Finding the Fourth Proportional to 7,831.59, 10,807.76 and 4,294.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,831.59 : 10,807.76 = 4,294.79 : x
2. Step 2: Convert to fraction form
   7,831.59/10,807.76 = 4,294.79/x
3. Step 3: Cross multiply
   7,831.59x = 10,807.76 × 4,294.79
4. Step 4: Simplify right side
   7,831.59x = 46,417,056.80
5. Step 5: Solve for x
   x = 46,417,056.80/7,831.59
6. Step 6: Final answer
   x = 5,926.90