Finding the Fourth Proportional to 17,928.72, 24,742.23 and 9,862.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,928.72 : 24,742.23 = 9,862.71 : x
2. Step 2: Convert to fraction form
   17,928.72/24,742.23 = 9,862.71/x
3. Step 3: Cross multiply
   17,928.72x = 24,742.23 × 9,862.71
4. Step 4: Simplify right side
   17,928.72x = 244,025,439.24
5. Step 5: Solve for x
   x = 244,025,439.24/17,928.72
6. Step 6: Final answer
   x = 13,610.87