Finding the Fourth Proportional to 3,567.76, 5,352.04 and 970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,567.76 : 5,352.04 = 970.72 : x
2. Step 2: Convert to fraction form
   3,567.76/5,352.04 = 970.72/x
3. Step 3: Cross multiply
   3,567.76x = 5,352.04 × 970.72
4. Step 4: Simplify right side
   3,567.76x = 5,195,332.27
5. Step 5: Solve for x
   x = 5,195,332.27/3,567.76
6. Step 6: Final answer
   x = 1,456.19