Finding the Fourth Proportional to 3,435.72, 5,153.85 and 970.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.72 : 5,153.85 = 970.56 : x
2. Step 2: Convert to fraction form
   3,435.72/5,153.85 = 970.56/x
3. Step 3: Cross multiply
   3,435.72x = 5,153.85 × 970.56
4. Step 4: Simplify right side
   3,435.72x = 5,002,104.97
5. Step 5: Solve for x
   x = 5,002,104.97/3,435.72
6. Step 6: Final answer
   x = 1,455.91