Finding the Fourth Proportional to 2,017.31, 2,784.01 and 1,343.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.31 : 2,784.01 = 1,343.95 : x
2. Step 2: Convert to fraction form
   2,017.31/2,784.01 = 1,343.95/x
3. Step 3: Cross multiply
   2,017.31x = 2,784.01 × 1,343.95
4. Step 4: Simplify right side
   2,017.31x = 3,741,559.92
5. Step 5: Solve for x
   x = 3,741,559.92/2,017.31
6. Step 6: Final answer
   x = 1,854.72