Finding the Fourth Proportional to 23,818.28, 32,870.54 and 13,207.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,818.28 : 32,870.54 = 13,207.68 : x
2. Step 2: Convert to fraction form
   23,818.28/32,870.54 = 13,207.68/x
3. Step 3: Cross multiply
   23,818.28x = 32,870.54 × 13,207.68
4. Step 4: Simplify right side
   23,818.28x = 434,143,680.50
5. Step 5: Solve for x
   x = 434,143,680.50/23,818.28
6. Step 6: Final answer
   x = 18,227.33