Finding the Fourth Proportional to 7,071.27, 10,612.37 and 2,689.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,071.27 : 10,612.37 = 2,689.98 : x
2. Step 2: Convert to fraction form
   7,071.27/10,612.37 = 2,689.98/x
3. Step 3: Cross multiply
   7,071.27x = 10,612.37 × 2,689.98
4. Step 4: Simplify right side
   7,071.27x = 28,547,049.60
5. Step 5: Solve for x
   x = 28,547,049.60/7,071.27
6. Step 6: Final answer
   x = 4,037.05