Finding the Fourth Proportional to 1,981.73, 2,734.73 and 1,142.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.73 : 2,734.73 = 1,142.77 : x
2. Step 2: Convert to fraction form
   1,981.73/2,734.73 = 1,142.77/x
3. Step 3: Cross multiply
   1,981.73x = 2,734.73 × 1,142.77
4. Step 4: Simplify right side
   1,981.73x = 3,125,167.40
5. Step 5: Solve for x
   x = 3,125,167.40/1,981.73
6. Step 6: Final answer
   x = 1,576.99