Finding the Fourth Proportional to 1,822.12, 2,513.39 and 1,262.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.12 : 2,513.39 = 1,262.61 : x
2. Step 2: Convert to fraction form
   1,822.12/2,513.39 = 1,262.61/x
3. Step 3: Cross multiply
   1,822.12x = 2,513.39 × 1,262.61
4. Step 4: Simplify right side
   1,822.12x = 3,173,425.03
5. Step 5: Solve for x
   x = 3,173,425.03/1,822.12
6. Step 6: Final answer
   x = 1,741.61