Finding the Fourth Proportional to 3,968.89, 5,953.94 and 1,047.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.89 : 5,953.94 = 1,047.42 : x
2. Step 2: Convert to fraction form
   3,968.89/5,953.94 = 1,047.42/x
3. Step 3: Cross multiply
   3,968.89x = 5,953.94 × 1,047.42
4. Step 4: Simplify right side
   3,968.89x = 6,236,275.83
5. Step 5: Solve for x
   x = 6,236,275.83/3,968.89
6. Step 6: Final answer
   x = 1,571.29