Finding the Fourth Proportional to 10,711.58, 16,073.71 and 5,170.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,711.58 : 16,073.71 = 5,170.64 : x
2. Step 2: Convert to fraction form
   10,711.58/16,073.71 = 5,170.64/x
3. Step 3: Cross multiply
   10,711.58x = 16,073.71 × 5,170.64
4. Step 4: Simplify right side
   10,711.58x = 83,111,274.58
5. Step 5: Solve for x
   x = 83,111,274.58/10,711.58
6. Step 6: Final answer
   x = 7,759.02