Finding the Fourth Proportional to 2,308.71, 3,463.71 and 847.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.71 : 3,463.71 = 847.89 : x
2. Step 2: Convert to fraction form
   2,308.71/3,463.71 = 847.89/x
3. Step 3: Cross multiply
   2,308.71x = 3,463.71 × 847.89
4. Step 4: Simplify right side
   2,308.71x = 2,936,845.07
5. Step 5: Solve for x
   x = 2,936,845.07/2,308.71
6. Step 6: Final answer
   x = 1,272.07