Finding the Fourth Proportional to 2,146.03, 3,218.71 and 829.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.03 : 3,218.71 = 829.59 : x
2. Step 2: Convert to fraction form
   2,146.03/3,218.71 = 829.59/x
3. Step 3: Cross multiply
   2,146.03x = 3,218.71 × 829.59
4. Step 4: Simplify right side
   2,146.03x = 2,670,209.63
5. Step 5: Solve for x
   x = 2,670,209.63/2,146.03
6. Step 6: Final answer
   x = 1,244.26