Finding the Fourth Proportional to 6,776.49, 10,170.20 and 3,490.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,776.49 : 10,170.20 = 3,490.52 : x
2. Step 2: Convert to fraction form
   6,776.49/10,170.20 = 3,490.52/x
3. Step 3: Cross multiply
   6,776.49x = 10,170.20 × 3,490.52
4. Step 4: Simplify right side
   6,776.49x = 35,499,218.20
5. Step 5: Solve for x
   x = 35,499,218.20/6,776.49
6. Step 6: Final answer
   x = 5,238.58