Finding the Fourth Proportional to 1,763.24, 2,431.89 and 1,292.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.24 : 2,431.89 = 1,292.09 : x
2. Step 2: Convert to fraction form
   1,763.24/2,431.89 = 1,292.09/x
3. Step 3: Cross multiply
   1,763.24x = 2,431.89 × 1,292.09
4. Step 4: Simplify right side
   1,763.24x = 3,142,208.59
5. Step 5: Solve for x
   x = 3,142,208.59/1,763.24
6. Step 6: Final answer
   x = 1,782.07