Finding the Fourth Proportional to 1,859.27, 2,565.61 and 1,073.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.27 : 2,565.61 = 1,073.57 : x
2. Step 2: Convert to fraction form
   1,859.27/2,565.61 = 1,073.57/x
3. Step 3: Cross multiply
   1,859.27x = 2,565.61 × 1,073.57
4. Step 4: Simplify right side
   1,859.27x = 2,754,368.34
5. Step 5: Solve for x
   x = 2,754,368.34/1,859.27
6. Step 6: Final answer
   x = 1,481.42