Finding the Fourth Proportional to 6,479.69, 8,940.47 and 3,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,479.69 : 8,940.47 = 3,827.50 : x
2. Step 2: Convert to fraction form
   6,479.69/8,940.47 = 3,827.50/x
3. Step 3: Cross multiply
   6,479.69x = 8,940.47 × 3,827.50
4. Step 4: Simplify right side
   6,479.69x = 34,219,607.44
5. Step 5: Solve for x
   x = 34,219,607.44/6,479.69
6. Step 6: Final answer
   x = 5,281.05