Finding the Fourth Proportional to 1,984.79, 2,738.99 and 1,100.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.79 : 2,738.99 = 1,100.58 : x
2. Step 2: Convert to fraction form
   1,984.79/2,738.99 = 1,100.58/x
3. Step 3: Cross multiply
   1,984.79x = 2,738.99 × 1,100.58
4. Step 4: Simplify right side
   1,984.79x = 3,014,472.11
5. Step 5: Solve for x
   x = 3,014,472.11/1,984.79
6. Step 6: Final answer
   x = 1,518.78