Finding the Fourth Proportional to 2,308.79, 3,463.07 and 847.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.79 : 3,463.07 = 847.83 : x
2. Step 2: Convert to fraction form
   2,308.79/3,463.07 = 847.83/x
3. Step 3: Cross multiply
   2,308.79x = 3,463.07 × 847.83
4. Step 4: Simplify right side
   2,308.79x = 2,936,103.39
5. Step 5: Solve for x
   x = 2,936,103.39/2,308.79
6. Step 6: Final answer
   x = 1,271.71