Finding the Fourth Proportional to 6,929.89, 9,563.31 and 3,786.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929.89 : 9,563.31 = 3,786.13 : x
2. Step 2: Convert to fraction form
   6,929.89/9,563.31 = 3,786.13/x
3. Step 3: Cross multiply
   6,929.89x = 9,563.31 × 3,786.13
4. Step 4: Simplify right side
   6,929.89x = 36,207,934.89
5. Step 5: Solve for x
   x = 36,207,934.89/6,929.89
6. Step 6: Final answer
   x = 5,224.89