Finding the Fourth Proportional to 8,714.71, 13,072.61 and 2,871.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,714.71 : 13,072.61 = 2,871.37 : x
2. Step 2: Convert to fraction form
   8,714.71/13,072.61 = 2,871.37/x
3. Step 3: Cross multiply
   8,714.71x = 13,072.61 × 2,871.37
4. Step 4: Simplify right side
   8,714.71x = 37,536,300.18
5. Step 5: Solve for x
   x = 37,536,300.18/8,714.71
6. Step 6: Final answer
   x = 4,307.23