Finding the Fourth Proportional to 8,516.34, 12,775.86 and 2,672.19

Step by Step Solution

1. Step 1: Write the proportion equation
   8,516.34 : 12,775.86 = 2,672.19 : x
2. Step 2: Convert to fraction form
   8,516.34/12,775.86 = 2,672.19/x
3. Step 3: Cross multiply
   8,516.34x = 12,775.86 × 2,672.19
4. Step 4: Simplify right side
   8,516.34x = 34,139,525.33
5. Step 5: Solve for x
   x = 34,139,525.33/8,516.34
6. Step 6: Final answer
   x = 4,008.71