Finding the Fourth Proportional to 23,665.62, 32,657.81 and 13,457.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.62 : 32,657.81 = 13,457.76 : x
2. Step 2: Convert to fraction form
   23,665.62/32,657.81 = 13,457.76/x
3. Step 3: Cross multiply
   23,665.62x = 32,657.81 × 13,457.76
4. Step 4: Simplify right side
   23,665.62x = 439,500,969.11
5. Step 5: Solve for x
   x = 439,500,969.11/23,665.62
6. Step 6: Final answer
   x = 18,571.28