Finding the Fourth Proportional to 6,893.73, 9,513.56 and 3,909.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,893.73 : 9,513.56 = 3,909.69 : x
2. Step 2: Convert to fraction form
   6,893.73/9,513.56 = 3,909.69/x
3. Step 3: Cross multiply
   6,893.73x = 9,513.56 × 3,909.69
4. Step 4: Simplify right side
   6,893.73x = 37,195,112.43
5. Step 5: Solve for x
   x = 37,195,112.43/6,893.73
6. Step 6: Final answer
   x = 5,395.50