Finding the Fourth Proportional to 3,570.22, 5,355.31 and 973.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.22 : 5,355.31 = 973.15 : x
2. Step 2: Convert to fraction form
   3,570.22/5,355.31 = 973.15/x
3. Step 3: Cross multiply
   3,570.22x = 5,355.31 × 973.15
4. Step 4: Simplify right side
   3,570.22x = 5,211,519.93
5. Step 5: Solve for x
   x = 5,211,519.93/3,570.22
6. Step 6: Final answer
   x = 1,459.72