Finding the Fourth Proportional to 16,443.81, 24,671.91 and 9,874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.81 : 24,671.91 = 9,874.56 : x
2. Step 2: Convert to fraction form
   16,443.81/24,671.91 = 9,874.56/x
3. Step 3: Cross multiply
   16,443.81x = 24,671.91 × 9,874.56
4. Step 4: Simplify right side
   16,443.81x = 243,624,255.61
5. Step 5: Solve for x
   x = 243,624,255.61/16,443.81
6. Step 6: Final answer
   x = 14,815.56