Finding the Fourth Proportional to 3,571.88, 5,357.76 and 974.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.88 : 5,357.76 = 974.82 : x
2. Step 2: Convert to fraction form
   3,571.88/5,357.76 = 974.82/x
3. Step 3: Cross multiply
   3,571.88x = 5,357.76 × 974.82
4. Step 4: Simplify right side
   3,571.88x = 5,222,851.60
5. Step 5: Solve for x
   x = 5,222,851.60/3,571.88
6. Step 6: Final answer
   x = 1,462.21