Finding the Fourth Proportional to 17,690.78, 24,412.92 and 9,732.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,690.78 : 24,412.92 = 9,732.80 : x
2. Step 2: Convert to fraction form
   17,690.78/24,412.92 = 9,732.80/x
3. Step 3: Cross multiply
   17,690.78x = 24,412.92 × 9,732.80
4. Step 4: Simplify right side
   17,690.78x = 237,606,067.78
5. Step 5: Solve for x
   x = 237,606,067.78/17,690.78
6. Step 6: Final answer
   x = 13,431.07