Finding the Fourth Proportional to 2,470.71, 3,409.67 and 1,351.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.71 : 3,409.67 = 1,351.72 : x
2. Step 2: Convert to fraction form
   2,470.71/3,409.67 = 1,351.72/x
3. Step 3: Cross multiply
   2,470.71x = 3,409.67 × 1,351.72
4. Step 4: Simplify right side
   2,470.71x = 4,608,912.37
5. Step 5: Solve for x
   x = 4,608,912.37/2,470.71
6. Step 6: Final answer
   x = 1,865.42