Finding the Fourth Proportional to 16,426.21, 22,671.72 and 10,456.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,426.21 : 22,671.72 = 10,456.60 : x
2. Step 2: Convert to fraction form
   16,426.21/22,671.72 = 10,456.60/x
3. Step 3: Cross multiply
   16,426.21x = 22,671.72 × 10,456.60
4. Step 4: Simplify right side
   16,426.21x = 237,069,107.35
5. Step 5: Solve for x
   x = 237,069,107.35/16,426.21
6. Step 6: Final answer
   x = 14,432.37