Finding the Fourth Proportional to 23,863.49, 32,930.72 and 13,253.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,863.49 : 32,930.72 = 13,253.81 : x
2. Step 2: Convert to fraction form
   23,863.49/32,930.72 = 13,253.81/x
3. Step 3: Cross multiply
   23,863.49x = 32,930.72 × 13,253.81
4. Step 4: Simplify right side
   23,863.49x = 436,457,275.12
5. Step 5: Solve for x
   x = 436,457,275.12/23,863.49
6. Step 6: Final answer
   x = 18,289.75