Finding the Fourth Proportional to 2,805.34, 4,207.98 and 1,073.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805.34 : 4,207.98 = 1,073.56 : x
2. Step 2: Convert to fraction form
   2,805.34/4,207.98 = 1,073.56/x
3. Step 3: Cross multiply
   2,805.34x = 4,207.98 × 1,073.56
4. Step 4: Simplify right side
   2,805.34x = 4,517,519.01
5. Step 5: Solve for x
   x = 4,517,519.01/2,805.34
6. Step 6: Final answer
   x = 1,610.33