Finding the Fourth Proportional to 10,134, 13,984.92 and 5,718

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134 : 13,984.92 = 5,718 : x
2. Step 2: Convert to fraction form
   10,134/13,984.92 = 5,718/x
3. Step 3: Cross multiply
   10,134x = 13,984.92 × 5,718
4. Step 4: Simplify right side
   10,134x = 79,965,772.56
5. Step 5: Solve for x
   x = 79,965,772.56/10,134
6. Step 6: Final answer
   x = 7,890.84