Finding the Fourth Proportional to 2,469.39, 3,405.13 and 1,761.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.39 : 3,405.13 = 1,761.31 : x
2. Step 2: Convert to fraction form
   2,469.39/3,405.13 = 1,761.31/x
3. Step 3: Cross multiply
   2,469.39x = 3,405.13 × 1,761.31
4. Step 4: Simplify right side
   2,469.39x = 5,997,489.52
5. Step 5: Solve for x
   x = 5,997,489.52/2,469.39
6. Step 6: Final answer
   x = 2,428.73