Finding the Fourth Proportional to 6,921.27, 9,549.91 and 4,402.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,921.27 : 9,549.91 = 4,402.48 : x
2. Step 2: Convert to fraction form
   6,921.27/9,549.91 = 4,402.48/x
3. Step 3: Cross multiply
   6,921.27x = 9,549.91 × 4,402.48
4. Step 4: Simplify right side
   6,921.27x = 42,043,287.78
5. Step 5: Solve for x
   x = 42,043,287.78/6,921.27
6. Step 6: Final answer
   x = 6,074.50