Finding the Fourth Proportional to 2,069.87, 3,103.83 and 752.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.87 : 3,103.83 = 752.70 : x
2. Step 2: Convert to fraction form
   2,069.87/3,103.83 = 752.70/x
3. Step 3: Cross multiply
   2,069.87x = 3,103.83 × 752.70
4. Step 4: Simplify right side
   2,069.87x = 2,336,233.56
5. Step 5: Solve for x
   x = 2,336,233.56/2,069.87
6. Step 6: Final answer
   x = 1,128.69