Finding the Fourth Proportional to 1,984.84, 2,738.78 and 1,100.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.84 : 2,738.78 = 1,100.64 : x
2. Step 2: Convert to fraction form
   1,984.84/2,738.78 = 1,100.64/x
3. Step 3: Cross multiply
   1,984.84x = 2,738.78 × 1,100.64
4. Step 4: Simplify right side
   1,984.84x = 3,014,419.71
5. Step 5: Solve for x
   x = 3,014,419.71/1,984.84
6. Step 6: Final answer
   x = 1,518.72