Finding the Fourth Proportional to 2,012, 2,775.62 and 1,422.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012 : 2,775.62 = 1,422.86 : x
2. Step 2: Convert to fraction form
   2,012/2,775.62 = 1,422.86/x
3. Step 3: Cross multiply
   2,012x = 2,775.62 × 1,422.86
4. Step 4: Simplify right side
   2,012x = 3,949,311.56
5. Step 5: Solve for x
   x = 3,949,311.56/2,012
6. Step 6: Final answer
   x = 1,962.88