Finding the Fourth Proportional to 7,196.25, 10,776.96 and 3,489.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.25 : 10,776.96 = 3,489.30 : x
2. Step 2: Convert to fraction form
   7,196.25/10,776.96 = 3,489.30/x
3. Step 3: Cross multiply
   7,196.25x = 10,776.96 × 3,489.30
4. Step 4: Simplify right side
   7,196.25x = 37,604,046.53
5. Step 5: Solve for x
   x = 37,604,046.53/7,196.25
6. Step 6: Final answer
   x = 5,225.51