Finding the Fourth Proportional to 7,127.52, 10,692.72 and 2,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,127.52 : 10,692.72 = 2,196.96 : x
2. Step 2: Convert to fraction form
   7,127.52/10,692.72 = 2,196.96/x
3. Step 3: Cross multiply
   7,127.52x = 10,692.72 × 2,196.96
4. Step 4: Simplify right side
   7,127.52x = 23,491,478.13
5. Step 5: Solve for x
   x = 23,491,478.13/7,127.52
6. Step 6: Final answer
   x = 3,295.88