Finding the Fourth Proportional to 23,809.56, 32,856.06 and 13,198.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,809.56 : 32,856.06 = 13,198.96 : x
2. Step 2: Convert to fraction form
   23,809.56/32,856.06 = 13,198.96/x
3. Step 3: Cross multiply
   23,809.56x = 32,856.06 × 13,198.96
4. Step 4: Simplify right side
   23,809.56x = 433,665,821.70
5. Step 5: Solve for x
   x = 433,665,821.70/23,809.56
6. Step 6: Final answer
   x = 18,213.94