Finding the Fourth Proportional to 17,947, 24,764.52 and 9,989.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,947 : 24,764.52 = 9,989.56 : x
2. Step 2: Convert to fraction form
   17,947/24,764.52 = 9,989.56/x
3. Step 3: Cross multiply
   17,947x = 24,764.52 × 9,989.56
4. Step 4: Simplify right side
   17,947x = 247,386,658.41
5. Step 5: Solve for x
   x = 247,386,658.41/17,947
6. Step 6: Final answer
   x = 13,784.29