Finding the Fourth Proportional to 13,299.09, 18,242.72 and 13,022.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,299.09 : 18,242.72 = 13,022.27 : x
2. Step 2: Convert to fraction form
   13,299.09/18,242.72 = 13,022.27/x
3. Step 3: Cross multiply
   13,299.09x = 18,242.72 × 13,022.27
4. Step 4: Simplify right side
   13,299.09x = 237,561,586.29
5. Step 5: Solve for x
   x = 237,561,586.29/13,299.09
6. Step 6: Final answer
   x = 17,863.00