Finding the Fourth Proportional to 2,277.83, 3,143.42 and 1,283.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277.83 : 3,143.42 = 1,283.12 : x
2. Step 2: Convert to fraction form
   2,277.83/3,143.42 = 1,283.12/x
3. Step 3: Cross multiply
   2,277.83x = 3,143.42 × 1,283.12
4. Step 4: Simplify right side
   2,277.83x = 4,033,386.51
5. Step 5: Solve for x
   x = 4,033,386.51/2,277.83
6. Step 6: Final answer
   x = 1,770.72