Finding the Fourth Proportional to 2,309.52, 3,189.48 and 1,749

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.52 : 3,189.48 = 1,749 : x
2. Step 2: Convert to fraction form
   2,309.52/3,189.48 = 1,749/x
3. Step 3: Cross multiply
   2,309.52x = 3,189.48 × 1,749
4. Step 4: Simplify right side
   2,309.52x = 5,578,400.52
5. Step 5: Solve for x
   x = 5,578,400.52/2,309.52
6. Step 6: Final answer
   x = 2,415.39