Finding the Fourth Proportional to 23,457.20, 32,369.83 and 13,247.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,457.20 : 32,369.83 = 13,247.96 : x
2. Step 2: Convert to fraction form
   23,457.20/32,369.83 = 13,247.96/x
3. Step 3: Cross multiply
   23,457.20x = 32,369.83 × 13,247.96
4. Step 4: Simplify right side
   23,457.20x = 428,834,018.08
5. Step 5: Solve for x
   x = 428,834,018.08/23,457.20
6. Step 6: Final answer
   x = 18,281.56