Finding the Fourth Proportional to 17,976.24, 24,806.56 and 10,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,976.24 : 24,806.56 = 10,422.72 : x
2. Step 2: Convert to fraction form
   17,976.24/24,806.56 = 10,422.72/x
3. Step 3: Cross multiply
   17,976.24x = 24,806.56 × 10,422.72
4. Step 4: Simplify right side
   17,976.24x = 258,551,829.04
5. Step 5: Solve for x
   x = 258,551,829.04/17,976.24
6. Step 6: Final answer
   x = 14,382.98