Finding the Fourth Proportional to 2,541.84, 3,507.69 and 1,422.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.84 : 3,507.69 = 1,422.78 : x
2. Step 2: Convert to fraction form
   2,541.84/3,507.69 = 1,422.78/x
3. Step 3: Cross multiply
   2,541.84x = 3,507.69 × 1,422.78
4. Step 4: Simplify right side
   2,541.84x = 4,990,653.64
5. Step 5: Solve for x
   x = 4,990,653.64/2,541.84
6. Step 6: Final answer
   x = 1,963.41