Finding the Fourth Proportional to 8,153.29, 12,228.89 and 2,606.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,153.29 : 12,228.89 = 2,606.17 : x
2. Step 2: Convert to fraction form
   8,153.29/12,228.89 = 2,606.17/x
3. Step 3: Cross multiply
   8,153.29x = 12,228.89 × 2,606.17
4. Step 4: Simplify right side
   8,153.29x = 31,870,566.25
5. Step 5: Solve for x
   x = 31,870,566.25/8,153.29
6. Step 6: Final answer
   x = 3,908.92