Finding the Fourth Proportional to 1,984.16, 2,738.31 and 1,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.16 : 2,738.31 = 1,100.25 : x
2. Step 2: Convert to fraction form
   1,984.16/2,738.31 = 1,100.25/x
3. Step 3: Cross multiply
   1,984.16x = 2,738.31 × 1,100.25
4. Step 4: Simplify right side
   1,984.16x = 3,012,821.45
5. Step 5: Solve for x
   x = 3,012,821.45/1,984.16
6. Step 6: Final answer
   x = 1,518.43