Finding the Fourth Proportional to 10,959, 16,438.59 and 3,167.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959 : 16,438.59 = 3,167.88 : x
2. Step 2: Convert to fraction form
   10,959/16,438.59 = 3,167.88/x
3. Step 3: Cross multiply
   10,959x = 16,438.59 × 3,167.88
4. Step 4: Simplify right side
   10,959x = 52,075,480.49
5. Step 5: Solve for x
   x = 52,075,480.49/10,959
6. Step 6: Final answer
   x = 4,751.85