Finding the Fourth Proportional to 2,298.65, 3,441.78 and 1,200.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.65 : 3,441.78 = 1,200.69 : x
2. Step 2: Convert to fraction form
   2,298.65/3,441.78 = 1,200.69/x
3. Step 3: Cross multiply
   2,298.65x = 3,441.78 × 1,200.69
4. Step 4: Simplify right side
   2,298.65x = 4,132,510.83
5. Step 5: Solve for x
   x = 4,132,510.83/2,298.65
6. Step 6: Final answer
   x = 1,797.80