Finding the Fourth Proportional to 6,300.89, 8,694.84 and 3,647.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.89 : 8,694.84 = 3,647.78 : x
2. Step 2: Convert to fraction form
   6,300.89/8,694.84 = 3,647.78/x
3. Step 3: Cross multiply
   6,300.89x = 8,694.84 × 3,647.78
4. Step 4: Simplify right side
   6,300.89x = 31,716,915.17
5. Step 5: Solve for x
   x = 31,716,915.17/6,300.89
6. Step 6: Final answer
   x = 5,033.72