Finding the Fourth Proportional to 2,869.64, 4,299.37 and 1,200.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.64 : 4,299.37 = 1,200.09 : x
2. Step 2: Convert to fraction form
   2,869.64/4,299.37 = 1,200.09/x
3. Step 3: Cross multiply
   2,869.64x = 4,299.37 × 1,200.09
4. Step 4: Simplify right side
   2,869.64x = 5,159,619.88
5. Step 5: Solve for x
   x = 5,159,619.88/2,869.64
6. Step 6: Final answer
   x = 1,798.00