Finding the Fourth Proportional to 17,886.69, 24,683.85 and 9,928.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.69 : 24,683.85 = 9,928.71 : x
2. Step 2: Convert to fraction form
   17,886.69/24,683.85 = 9,928.71/x
3. Step 3: Cross multiply
   17,886.69x = 24,683.85 × 9,928.71
4. Step 4: Simplify right side
   17,886.69x = 245,078,788.33
5. Step 5: Solve for x
   x = 245,078,788.33/17,886.69
6. Step 6: Final answer
   x = 13,701.74