Finding the Fourth Proportional to 2,826.42, 4,238.82 and 1,731.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.42 : 4,238.82 = 1,731.30 : x
2. Step 2: Convert to fraction form
   2,826.42/4,238.82 = 1,731.30/x
3. Step 3: Cross multiply
   2,826.42x = 4,238.82 × 1,731.30
4. Step 4: Simplify right side
   2,826.42x = 7,338,669.07
5. Step 5: Solve for x
   x = 7,338,669.07/2,826.42
6. Step 6: Final answer
   x = 2,596.45