Finding the Fourth Proportional to 2,265.99, 3,127.22 and 1,321.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.99 : 3,127.22 = 1,321.86 : x
2. Step 2: Convert to fraction form
   2,265.99/3,127.22 = 1,321.86/x
3. Step 3: Cross multiply
   2,265.99x = 3,127.22 × 1,321.86
4. Step 4: Simplify right side
   2,265.99x = 4,133,747.03
5. Step 5: Solve for x
   x = 4,133,747.03/2,265.99
6. Step 6: Final answer
   x = 1,824.26