Finding the Fourth Proportional to 2,265.51, 3,126.60 and 1,321.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.51 : 3,126.60 = 1,321.59 : x
2. Step 2: Convert to fraction form
   2,265.51/3,126.60 = 1,321.59/x
3. Step 3: Cross multiply
   2,265.51x = 3,126.60 × 1,321.59
4. Step 4: Simplify right side
   2,265.51x = 4,132,095.02
5. Step 5: Solve for x
   x = 4,132,095.02/2,265.51
6. Step 6: Final answer
   x = 1,823.91