Finding the Fourth Proportional to 16,294.34, 22,466.48 and 13,772

Step by Step Solution

1. Step 1: Write the proportion equation
   16,294.34 : 22,466.48 = 13,772 : x
2. Step 2: Convert to fraction form
   16,294.34/22,466.48 = 13,772/x
3. Step 3: Cross multiply
   16,294.34x = 22,466.48 × 13,772
4. Step 4: Simplify right side
   16,294.34x = 309,408,362.56
5. Step 5: Solve for x
   x = 309,408,362.56/16,294.34
6. Step 6: Final answer
   x = 18,988.70