Finding the Fourth Proportional to 2,470.32, 3,409.32 and 1,422.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.32 : 3,409.32 = 1,422.48 : x
2. Step 2: Convert to fraction form
   2,470.32/3,409.32 = 1,422.48/x
3. Step 3: Cross multiply
   2,470.32x = 3,409.32 × 1,422.48
4. Step 4: Simplify right side
   2,470.32x = 4,849,689.51
5. Step 5: Solve for x
   x = 4,849,689.51/2,470.32
6. Step 6: Final answer
   x = 1,963.18