Finding the Fourth Proportional to 1,785.69, 2,464.52 and 1,289.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785.69 : 2,464.52 = 1,289.03 : x
2. Step 2: Convert to fraction form
   1,785.69/2,464.52 = 1,289.03/x
3. Step 3: Cross multiply
   1,785.69x = 2,464.52 × 1,289.03
4. Step 4: Simplify right side
   1,785.69x = 3,176,821.45
5. Step 5: Solve for x
   x = 3,176,821.45/1,785.69
6. Step 6: Final answer
   x = 1,779.04