Finding the Fourth Proportional to 7,126.74, 10,689.15 and 2,196.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,126.74 : 10,689.15 = 2,196.27 : x
2. Step 2: Convert to fraction form
   7,126.74/10,689.15 = 2,196.27/x
3. Step 3: Cross multiply
   7,126.74x = 10,689.15 × 2,196.27
4. Step 4: Simplify right side
   7,126.74x = 23,476,259.47
5. Step 5: Solve for x
   x = 23,476,259.47/7,126.74
6. Step 6: Final answer
   x = 3,294.11