Finding the Fourth Proportional to 16,839.46, 23,240.55 and 9,671.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.46 : 23,240.55 = 9,671.61 : x
2. Step 2: Convert to fraction form
   16,839.46/23,240.55 = 9,671.61/x
3. Step 3: Cross multiply
   16,839.46x = 23,240.55 × 9,671.61
4. Step 4: Simplify right side
   16,839.46x = 224,773,535.79
5. Step 5: Solve for x
   x = 224,773,535.79/16,839.46
6. Step 6: Final answer
   x = 13,348.03