Finding the Fourth Proportional to 10,962.38, 16,436.34 and 3,938.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,962.38 : 16,436.34 = 3,938.88 : x
2. Step 2: Convert to fraction form
   10,962.38/16,436.34 = 3,938.88/x
3. Step 3: Cross multiply
   10,962.38x = 16,436.34 × 3,938.88
4. Step 4: Simplify right side
   10,962.38x = 64,740,770.90
5. Step 5: Solve for x
   x = 64,740,770.90/10,962.38
6. Step 6: Final answer
   x = 5,905.72