Finding the Fourth Proportional to 8,606.09, 12,904.86 and 2,761.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,606.09 : 12,904.86 = 2,761.94 : x
2. Step 2: Convert to fraction form
   8,606.09/12,904.86 = 2,761.94/x
3. Step 3: Cross multiply
   8,606.09x = 12,904.86 × 2,761.94
4. Step 4: Simplify right side
   8,606.09x = 35,642,449.03
5. Step 5: Solve for x
   x = 35,642,449.03/8,606.09
6. Step 6: Final answer
   x = 4,141.54