Finding the Fourth Proportional to 6,929.55, 9,563.27 and 3,945.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929.55 : 9,563.27 = 3,945.51 : x
2. Step 2: Convert to fraction form
   6,929.55/9,563.27 = 3,945.51/x
3. Step 3: Cross multiply
   6,929.55x = 9,563.27 × 3,945.51
4. Step 4: Simplify right side
   6,929.55x = 37,731,957.69
5. Step 5: Solve for x
   x = 37,731,957.69/6,929.55
6. Step 6: Final answer
   x = 5,445.08