Finding the Fourth Proportional to 22,662.65, 31,276.06 and 13,104.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.65 : 31,276.06 = 13,104.25 : x
2. Step 2: Convert to fraction form
   22,662.65/31,276.06 = 13,104.25/x
3. Step 3: Cross multiply
   22,662.65x = 31,276.06 × 13,104.25
4. Step 4: Simplify right side
   22,662.65x = 409,849,198.30
5. Step 5: Solve for x
   x = 409,849,198.30/22,662.65
6. Step 6: Final answer
   x = 18,084.79