Finding the Fourth Proportional to 1,265.46, 1,895.42 and 1,043.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,265.46 : 1,895.42 = 1,043.59 : x
2. Step 2: Convert to fraction form
   1,265.46/1,895.42 = 1,043.59/x
3. Step 3: Cross multiply
   1,265.46x = 1,895.42 × 1,043.59
4. Step 4: Simplify right side
   1,265.46x = 1,978,040.45
5. Step 5: Solve for x
   x = 1,978,040.45/1,265.46
6. Step 6: Final answer
   x = 1,563.10