Finding the Fourth Proportional to 23,789.81, 32,827.59 and 13,580.97

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.81 : 32,827.59 = 13,580.97 : x
2. Step 2: Convert to fraction form
   23,789.81/32,827.59 = 13,580.97/x
3. Step 3: Cross multiply
   23,789.81x = 32,827.59 × 13,580.97
4. Step 4: Simplify right side
   23,789.81x = 445,830,514.96
5. Step 5: Solve for x
   x = 445,830,514.96/23,789.81
6. Step 6: Final answer
   x = 18,740.40