Finding the Fourth Proportional to 1,805.32, 2,706.31 and 709.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.32 : 2,706.31 = 709.69 : x
2. Step 2: Convert to fraction form
   1,805.32/2,706.31 = 709.69/x
3. Step 3: Cross multiply
   1,805.32x = 2,706.31 × 709.69
4. Step 4: Simplify right side
   1,805.32x = 1,920,641.14
5. Step 5: Solve for x
   x = 1,920,641.14/1,805.32
6. Step 6: Final answer
   x = 1,063.88