Finding the Fourth Proportional to 6,915.50, 10,371.83 and 1,984.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,915.50 : 10,371.83 = 1,984.05 : x
2. Step 2: Convert to fraction form
   6,915.50/10,371.83 = 1,984.05/x
3. Step 3: Cross multiply
   6,915.50x = 10,371.83 × 1,984.05
4. Step 4: Simplify right side
   6,915.50x = 20,578,234.27
5. Step 5: Solve for x
   x = 20,578,234.27/6,915.50
6. Step 6: Final answer
   x = 2,975.67