Finding the Fourth Proportional to 16,297.34, 22,470.60 and 13,775

Step by Step Solution

1. Step 1: Write the proportion equation
   16,297.34 : 22,470.60 = 13,775 : x
2. Step 2: Convert to fraction form
   16,297.34/22,470.60 = 13,775/x
3. Step 3: Cross multiply
   16,297.34x = 22,470.60 × 13,775
4. Step 4: Simplify right side
   16,297.34x = 309,532,515
5. Step 5: Solve for x
   x = 309,532,515/16,297.34
6. Step 6: Final answer
   x = 18,992.82