Finding the Fourth Proportional to 10,713.88, 16,076.16 and 5,171.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,713.88 : 16,076.16 = 5,171.92 : x
2. Step 2: Convert to fraction form
   10,713.88/16,076.16 = 5,171.92/x
3. Step 3: Cross multiply
   10,713.88x = 16,076.16 × 5,171.92
4. Step 4: Simplify right side
   10,713.88x = 83,144,613.43
5. Step 5: Solve for x
   x = 83,144,613.43/10,713.88
6. Step 6: Final answer
   x = 7,760.46