Finding the Fourth Proportional to 8,107.76, 12,162.23 and 2,842.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,107.76 : 12,162.23 = 2,842.17 : x
2. Step 2: Convert to fraction form
   8,107.76/12,162.23 = 2,842.17/x
3. Step 3: Cross multiply
   8,107.76x = 12,162.23 × 2,842.17
4. Step 4: Simplify right side
   8,107.76x = 34,567,111.03
5. Step 5: Solve for x
   x = 34,567,111.03/8,107.76
6. Step 6: Final answer
   x = 4,263.46