Finding the Fourth Proportional to 2,470.16, 3,408.93 and 1,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.16 : 3,408.93 = 1,422.56 : x
2. Step 2: Convert to fraction form
   2,470.16/3,408.93 = 1,422.56/x
3. Step 3: Cross multiply
   2,470.16x = 3,408.93 × 1,422.56
4. Step 4: Simplify right side
   2,470.16x = 4,849,407.46
5. Step 5: Solve for x
   x = 4,849,407.46/2,470.16
6. Step 6: Final answer
   x = 1,963.20