Finding the Fourth Proportional to 13,011.00, 17,955.74 and 8,229.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,011.00 : 17,955.74 = 8,229.23 : x
2. Step 2: Convert to fraction form
   13,011.00/17,955.74 = 8,229.23/x
3. Step 3: Cross multiply
   13,011.00x = 17,955.74 × 8,229.23
4. Step 4: Simplify right side
   13,011.00x = 147,761,912.41
5. Step 5: Solve for x
   x = 147,761,912.41/13,011.00
6. Step 6: Final answer
   x = 11,356.69