Finding the Fourth Proportional to 6,884.47, 9,499.00 and 3,899.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,884.47 : 9,499.00 = 3,899.62 : x
2. Step 2: Convert to fraction form
   6,884.47/9,499.00 = 3,899.62/x
3. Step 3: Cross multiply
   6,884.47x = 9,499.00 × 3,899.62
4. Step 4: Simplify right side
   6,884.47x = 37,042,423.39
5. Step 5: Solve for x
   x = 37,042,423.39/6,884.47
6. Step 6: Final answer
   x = 5,380.58