Finding the Fourth Proportional to 8,557.89, 12,837.29 and 2,714.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,557.89 : 12,837.29 = 2,714.96 : x
2. Step 2: Convert to fraction form
   8,557.89/12,837.29 = 2,714.96/x
3. Step 3: Cross multiply
   8,557.89x = 12,837.29 × 2,714.96
4. Step 4: Simplify right side
   8,557.89x = 34,852,651.10
5. Step 5: Solve for x
   x = 34,852,651.10/8,557.89
6. Step 6: Final answer
   x = 4,072.58