Finding the Fourth Proportional to 1,859.34, 2,565.59 and 1,073.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.34 : 2,565.59 = 1,073.23 : x
2. Step 2: Convert to fraction form
   1,859.34/2,565.59 = 1,073.23/x
3. Step 3: Cross multiply
   1,859.34x = 2,565.59 × 1,073.23
4. Step 4: Simplify right side
   1,859.34x = 2,753,470.84
5. Step 5: Solve for x
   x = 2,753,470.84/1,859.34
6. Step 6: Final answer
   x = 1,480.89