Finding the Fourth Proportional to 1,749.94, 2,619.79 and 1,645.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.94 : 2,619.79 = 1,645.89 : x
2. Step 2: Convert to fraction form
   1,749.94/2,619.79 = 1,645.89/x
3. Step 3: Cross multiply
   1,749.94x = 2,619.79 × 1,645.89
4. Step 4: Simplify right side
   1,749.94x = 4,311,876.59
5. Step 5: Solve for x
   x = 4,311,876.59/1,749.94
6. Step 6: Final answer
   x = 2,464.01