Finding the Fourth Proportional to 2,810.46, 4,215.87 and 1,422.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.46 : 4,215.87 = 1,422.82 : x
2. Step 2: Convert to fraction form
   2,810.46/4,215.87 = 1,422.82/x
3. Step 3: Cross multiply
   2,810.46x = 4,215.87 × 1,422.82
4. Step 4: Simplify right side
   2,810.46x = 5,998,424.15
5. Step 5: Solve for x
   x = 5,998,424.15/2,810.46
6. Step 6: Final answer
   x = 2,134.32