Finding the Fourth Proportional to 6,469.94, 8,927.42 and 3,818.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,469.94 : 8,927.42 = 3,818.21 : x
2. Step 2: Convert to fraction form
   6,469.94/8,927.42 = 3,818.21/x
3. Step 3: Cross multiply
   6,469.94x = 8,927.42 × 3,818.21
4. Step 4: Simplify right side
   6,469.94x = 34,086,700.59
5. Step 5: Solve for x
   x = 34,086,700.59/6,469.94
6. Step 6: Final answer
   x = 5,268.47