Finding the Fourth Proportional to 17,886.27, 24,682.59 and 9,928.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.27 : 24,682.59 = 9,928.29 : x
2. Step 2: Convert to fraction form
   17,886.27/24,682.59 = 9,928.29/x
3. Step 3: Cross multiply
   17,886.27x = 24,682.59 × 9,928.29
4. Step 4: Simplify right side
   17,886.27x = 245,055,911.47
5. Step 5: Solve for x
   x = 245,055,911.47/17,886.27
6. Step 6: Final answer
   x = 13,700.78