Finding the Fourth Proportional to 7,126.83, 10,689.39 and 2,196.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,126.83 : 10,689.39 = 2,196.45 : x
2. Step 2: Convert to fraction form
   7,126.83/10,689.39 = 2,196.45/x
3. Step 3: Cross multiply
   7,126.83x = 10,689.39 × 2,196.45
4. Step 4: Simplify right side
   7,126.83x = 23,478,710.67
5. Step 5: Solve for x
   x = 23,478,710.67/7,126.83
6. Step 6: Final answer
   x = 3,294.41