Finding the Fourth Proportional to 2,714.10, 4,069.33 and 1,069.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.10 : 4,069.33 = 1,069.80 : x
2. Step 2: Convert to fraction form
   2,714.10/4,069.33 = 1,069.80/x
3. Step 3: Cross multiply
   2,714.10x = 4,069.33 × 1,069.80
4. Step 4: Simplify right side
   2,714.10x = 4,353,363.89
5. Step 5: Solve for x
   x = 4,353,363.89/2,714.10
6. Step 6: Final answer
   x = 1,603.98