Finding the Fourth Proportional to 8,609.83, 12,914.29 and 2,765.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,609.83 : 12,914.29 = 2,765.98 : x
2. Step 2: Convert to fraction form
   8,609.83/12,914.29 = 2,765.98/x
3. Step 3: Cross multiply
   8,609.83x = 12,914.29 × 2,765.98
4. Step 4: Simplify right side
   8,609.83x = 35,720,667.85
5. Step 5: Solve for x
   x = 35,720,667.85/8,609.83
6. Step 6: Final answer
   x = 4,148.82