Finding the Fourth Proportional to 6,474.78, 8,934.15 and 3,821.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,474.78 : 8,934.15 = 3,821.82 : x
2. Step 2: Convert to fraction form
   6,474.78/8,934.15 = 3,821.82/x
3. Step 3: Cross multiply
   6,474.78x = 8,934.15 × 3,821.82
4. Step 4: Simplify right side
   6,474.78x = 34,144,713.15
5. Step 5: Solve for x
   x = 34,144,713.15/6,474.78
6. Step 6: Final answer
   x = 5,273.49