Finding the Fourth Proportional to 1,805.42, 2,706.41 and 709.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.42 : 2,706.41 = 709.42 : x
2. Step 2: Convert to fraction form
   1,805.42/2,706.41 = 709.42/x
3. Step 3: Cross multiply
   1,805.42x = 2,706.41 × 709.42
4. Step 4: Simplify right side
   1,805.42x = 1,919,981.38
5. Step 5: Solve for x
   x = 1,919,981.38/1,805.42
6. Step 6: Final answer
   x = 1,063.45