Finding the Fourth Proportional to 2,470.52, 3,409.35 and 1,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.52 : 3,409.35 = 1,422.56 : x
2. Step 2: Convert to fraction form
   2,470.52/3,409.35 = 1,422.56/x
3. Step 3: Cross multiply
   2,470.52x = 3,409.35 × 1,422.56
4. Step 4: Simplify right side
   2,470.52x = 4,850,004.94
5. Step 5: Solve for x
   x = 4,850,004.94/2,470.52
6. Step 6: Final answer
   x = 1,963.15