Finding the Fourth Proportional to 10,176, 14,042.88 and 5,760

Step by Step Solution

1. Step 1: Write the proportion equation
   10,176 : 14,042.88 = 5,760 : x
2. Step 2: Convert to fraction form
   10,176/14,042.88 = 5,760/x
3. Step 3: Cross multiply
   10,176x = 14,042.88 × 5,760
4. Step 4: Simplify right side
   10,176x = 80,886,988.80
5. Step 5: Solve for x
   x = 80,886,988.80/10,176
6. Step 6: Final answer
   x = 7,948.80