Finding the Fourth Proportional to 2,390.75, 3,299.25 and 1,342.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.75 : 3,299.25 = 1,342.82 : x
2. Step 2: Convert to fraction form
   2,390.75/3,299.25 = 1,342.82/x
3. Step 3: Cross multiply
   2,390.75x = 3,299.25 × 1,342.82
4. Step 4: Simplify right side
   2,390.75x = 4,430,298.89
5. Step 5: Solve for x
   x = 4,430,298.89/2,390.75
6. Step 6: Final answer
   x = 1,853.10