Finding the Fourth Proportional to 3,111.98, 4,669.22 and 1,262.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.98 : 4,669.22 = 1,262.61 : x
2. Step 2: Convert to fraction form
   3,111.98/4,669.22 = 1,262.61/x
3. Step 3: Cross multiply
   3,111.98x = 4,669.22 × 1,262.61
4. Step 4: Simplify right side
   3,111.98x = 5,895,407.02
5. Step 5: Solve for x
   x = 5,895,407.02/3,111.98
6. Step 6: Final answer
   x = 1,894.43