Finding the Fourth Proportional to 3,435.81, 5,153.76 and 970.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.81 : 5,153.76 = 970.71 : x
2. Step 2: Convert to fraction form
   3,435.81/5,153.76 = 970.71/x
3. Step 3: Cross multiply
   3,435.81x = 5,153.76 × 970.71
4. Step 4: Simplify right side
   3,435.81x = 5,002,806.37
5. Step 5: Solve for x
   x = 5,002,806.37/3,435.81
6. Step 6: Final answer
   x = 1,456.08