Finding the Fourth Proportional to 1,981.02, 2,733.27 and 1,283.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.02 : 2,733.27 = 1,283.10 : x
2. Step 2: Convert to fraction form
   1,981.02/2,733.27 = 1,283.10/x
3. Step 3: Cross multiply
   1,981.02x = 2,733.27 × 1,283.10
4. Step 4: Simplify right side
   1,981.02x = 3,507,058.74
5. Step 5: Solve for x
   x = 3,507,058.74/1,981.02
6. Step 6: Final answer
   x = 1,770.33