Finding the Fourth Proportional to 1,984.34, 2,738.55 and 1,100.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.34 : 2,738.55 = 1,100.20 : x
2. Step 2: Convert to fraction form
   1,984.34/2,738.55 = 1,100.20/x
3. Step 3: Cross multiply
   1,984.34x = 2,738.55 × 1,100.20
4. Step 4: Simplify right side
   1,984.34x = 3,012,952.71
5. Step 5: Solve for x
   x = 3,012,952.71/1,984.34
6. Step 6: Final answer
   x = 1,518.37