Finding the Fourth Proportional to 23,412.69, 32,310.53 and 13,207.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,412.69 : 32,310.53 = 13,207.15 : x
2. Step 2: Convert to fraction form
   23,412.69/32,310.53 = 13,207.15/x
3. Step 3: Cross multiply
   23,412.69x = 32,310.53 × 13,207.15
4. Step 4: Simplify right side
   23,412.69x = 426,730,016.29
5. Step 5: Solve for x
   x = 426,730,016.29/23,412.69
6. Step 6: Final answer
   x = 18,226.44