Finding the Fourth Proportional to 13,300.56, 19,922.76 and 8,019.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.56 : 19,922.76 = 8,019.09 : x
2. Step 2: Convert to fraction form
   13,300.56/19,922.76 = 8,019.09/x
3. Step 3: Cross multiply
   13,300.56x = 19,922.76 × 8,019.09
4. Step 4: Simplify right side
   13,300.56x = 159,762,405.49
5. Step 5: Solve for x
   x = 159,762,405.49/13,300.56
6. Step 6: Final answer
   x = 12,011.71