Finding the Fourth Proportional to 23,182.56, 31,984.56 and 13,109.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,182.56 : 31,984.56 = 13,109.76 : x
2. Step 2: Convert to fraction form
   23,182.56/31,984.56 = 13,109.76/x
3. Step 3: Cross multiply
   23,182.56x = 31,984.56 × 13,109.76
4. Step 4: Simplify right side
   23,182.56x = 419,309,905.31
5. Step 5: Solve for x
   x = 419,309,905.31/23,182.56
6. Step 6: Final answer
   x = 18,087.30