Finding the Fourth Proportional to 10,713.01, 16,079.90 and 5,170.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,713.01 : 16,079.90 = 5,170.25 : x
2. Step 2: Convert to fraction form
   10,713.01/16,079.90 = 5,170.25/x
3. Step 3: Cross multiply
   10,713.01x = 16,079.90 × 5,170.25
4. Step 4: Simplify right side
   10,713.01x = 83,137,055.96
5. Step 5: Solve for x
   x = 83,137,055.96/10,713.01
6. Step 6: Final answer
   x = 7,760.38