Finding the Fourth Proportional to 2,265.75, 3,126.42 and 1,321.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.75 : 3,126.42 = 1,321.83 : x
2. Step 2: Convert to fraction form
   2,265.75/3,126.42 = 1,321.83/x
3. Step 3: Cross multiply
   2,265.75x = 3,126.42 × 1,321.83
4. Step 4: Simplify right side
   2,265.75x = 4,132,595.75
5. Step 5: Solve for x
   x = 4,132,595.75/2,265.75
6. Step 6: Final answer
   x = 1,823.94