Finding the Fourth Proportional to 3,570.98, 5,355.92 and 974.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.98 : 5,355.92 = 974.12 : x
2. Step 2: Convert to fraction form
   3,570.98/5,355.92 = 974.12/x
3. Step 3: Cross multiply
   3,570.98x = 5,355.92 × 974.12
4. Step 4: Simplify right side
   3,570.98x = 5,217,308.79
5. Step 5: Solve for x
   x = 5,217,308.79/3,570.98
6. Step 6: Final answer
   x = 1,461.03